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ISO 2720-1974 Photography General purpose photographic exposure meters (photoelectric type) Guide to product specification《摄影 一般用途的照相曝光计(光电式) 产品规范指南》.pdf 12

ISO 2720-1974 Photography General purpose photographic exposure meters (photoelectric type) Guide to product specification《摄影 一般用途的照相曝光计(光电式) 产品规范指南》.pdfISO 2720-1974 Photography General purpose photographic exposure meters (photoelectric type) Guide to product specification《摄影 一般用途的照相曝光计(光电式) 产品规范指南》.pdf

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ISO 272-1982 Fasteners Hexagon products Widths across flats《紧固件 六角产品 对边宽度》.pdf 8

ISO 272-1982 Fasteners Hexagon products Widths across flats《紧固件 六角产品 对边宽度》.pdfISO 272-1982 Fasteners Hexagon products Widths across flats《紧固件 六角产品 对边宽度》.pdf

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ISO 23717-2006 Steel wire and wire products - Hose reinforcement wire《钢丝和钢丝制品 软管加筋钢丝》.pdf 12

ISO 23717-2006 Steel wire and wire products - Hose reinforcement wire《钢丝和钢丝制品 软管加筋钢丝》.pdfISO 23717-2006 Steel wire and wire products - Hose reinforcement wire《钢丝和钢丝制品 软管加筋钢丝》.pdf

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ISO 23711-2003 Elastomeric seals - Requirements for materials for pipe joint seals used in water and drainage applications - Thermoplastic elastomers《弹性密封件 灌溉和排.pdf 16

ISO 23711-2003 Elastomeric seals - Requirements for materials for pipe joint seals used in water and drainage applications - Thermoplastic elastomers《弹性密封件 灌溉和排.pdfISO 23711-2003 Elastomeric seals - Requirements for materials for pipe joint seals used in water and drainage applications - Thermoplastic elastomers《弹性密封件 灌溉和排.pdf

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ISO 2370-1980 Textiles Determination of fineness of flax fibres Permeametric methods《纺织品 亚麻纤维细度的测定 透气法》.pdf 16

ISO 2370-1980 Textiles Determination of fineness of flax fibres Permeametric methods《纺织品 亚麻纤维细度的测定 透气法》.pdfISO 2370-1980 Textiles Determination of fineness of flax fibres Permeametric methods《纺织品 亚麻纤维细度的测定 透气法》.pdf

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ISO 2367-1972 Cryolite (natural and artificial) Determination of aluminium content 8- Hydroxyquinoline gravimetric method《天然和人造冰晶石 铝含量的测定 8-羟基喹啉重量法》.pdf 8

ISO 2367-1972 Cryolite (natural and artificial) Determination of aluminium content 8- Hydroxyquinoline gravimetric method《天然和人造冰晶石 铝含量的测定 8-羟基喹啉重量法》.pdfISO 2367-1972 Cryolite (natural and artificial) Determination of aluminium content 8- Hydroxyquinoline gravimetric method《天然和人造冰晶石 铝含量的测定 8-羟基喹啉重量法》.pdf

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ISO 2366-1974 Cryolite natural and artificial Determination of sodium content Flame emission and atomic absorption spectrophotometric methods《天然和人造冰晶石 钠含量的测定 火焰.pdf 8

ISO 2366-1974 Cryolite natural and artificial Determination of sodium content Flame emission and atomic absorption spectrophotometric methods《天然和人造冰晶石 钠含量的测定 火焰.pdfISO 2366-1974 Cryolite natural and artificial Determination of sodium content Flame emission and atomic absorption spectrophotometric methods《天然和人造冰晶石 钠含量的测定 火焰.pdf

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ISO 2144-2015 Paper board and pulps - Determination of residue (ash) on ignition at 900 degreesC《纸、纸板和纸浆 900℃燃烧残留物(灰分)的测定》.pdf 14

ISO 2144-2015 Paper board and pulps - Determination of residue (ash) on ignition at 900 degreesC《纸、纸板和纸浆 900℃燃烧残留物(灰分)的测定》.pdfISO 2144-2015 Paper board and pulps - Determination of residue (ash) on ignition at 900 degreesC《纸、纸板和纸浆 900℃燃烧残留物(灰分)的测定》.pdf

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ISO 21438-2-2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 2 Volatile acids except hydrofluoric acid (hydrochloric a.pdf 38

ISO 21438-2-2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 2 Volatile acids except hydrofluoric acid (hydrochloric a.pdfISO 21438-2-2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 2 Volatile acids except hydrofluoric acid (hydrochloric a.pdf

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ISO 21438-1-2007 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 1 Non-volatile acids (sulfuric acid and phosphoric acid)《.pdf 38

ISO 21438-1-2007 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 1 Non-volatile acids (sulfuric acid and phosphoric acid)《.pdfISO 21438-1-2007 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 1 Non-volatile acids (sulfuric acid and phosphoric acid)《.pdf

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