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ISO 5681-1992 Equipment for crop protection vocabulary《作物保护设备 词汇 两种语言版》.pdf 19

ISO 5681-1992 Equipment for crop protection vocabulary《作物保护设备 词汇 两种语言版》.pdfISO 5681-1992 Equipment for crop protection vocabulary《作物保护设备 词汇 两种语言版》.pdf

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3人阅读
ISO 4970-1979 Steel Determination of total or effective thickness of thin surface-hardened layers《钢 薄表面硬化层的总深度或有效深度的测定》.pdf 6

ISO 4970-1979 Steel Determination of total or effective thickness of thin surface-hardened layers《钢 薄表面硬化层的总深度或有效深度的测定》.pdfISO 4970-1979 Steel Determination of total or effective thickness of thin surface-hardened layers《钢 薄表面硬化层的总深度或有效深度的测定》.pdf

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5人阅读
ISO 497-1973 Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers《优先数系和化整值的优先数系的选用指南》.pdf 10

ISO 497-1973 Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers《优先数系和化整值的优先数系的选用指南》.pdfISO 497-1973 Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers《优先数系和化整值的优先数系的选用指南》.pdf

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ISO 4969-2015 Steel - Etching method for macroscopic examination《钢材 宏观检验用蚀刻法》.pdf 14

ISO 4969-2015 Steel - Etching method for macroscopic examination《钢材 宏观检验用蚀刻法》.pdfISO 4969-2015 Steel - Etching method for macroscopic examination《钢材 宏观检验用蚀刻法》.pdf

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ISO 4968-1979 Steel Macrographic examination by sulfur print (Baumann method)《钢 硫印宏观检验法(波曼法)》.pdf 8

ISO 4968-1979 Steel Macrographic examination by sulfur print (Baumann method)《钢 硫印宏观检验法(波曼法)》.pdfISO 4968-1979 Steel Macrographic examination by sulfur print (Baumann method)《钢 硫印宏观检验法(波曼法)》.pdf

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ISO 4967-2013 Steel - Determination of content of non-metallic inclusions - Micrographic method using standard diagrams《钢 非金属包含物含量测定 利用标准图表的显微照相法》.pdf 46

ISO 4967-2013 Steel - Determination of content of non-metallic inclusions - Micrographic method using standard diagrams《钢 非金属包含物含量测定 利用标准图表的显微照相法》.pdfISO 4967-2013 Steel - Determination of content of non-metallic inclusions - Micrographic method using standard diagrams《钢 非金属包含物含量测定 利用标准图表的显微照相法》.pdf

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ISO 4299-1989 Manganese ores determination of moisture content《锰矿石 含水量的测定》.pdf 12

ISO 4299-1989 Manganese ores determination of moisture content《锰矿石 含水量的测定》.pdfISO 4299-1989 Manganese ores determination of moisture content《锰矿石 含水量的测定》.pdf

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ISO 4296-1-1984 Manganese ores Sampling Part 1 Increment sampling《锰矿石 取样 第1部分 份样取样》.pdf 16

ISO 4296-1-1984 Manganese ores Sampling Part 1 Increment sampling《锰矿石 取样 第1部分 份样取样》.pdfISO 4296-1-1984 Manganese ores Sampling Part 1 Increment sampling《锰矿石 取样 第1部分 份样取样》.pdf

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ISO 4295-1988 Manganese ores and concentrates determination of aluminium content photometric and gravimetric methods《锰矿石和锰精矿 铝含量的测定 光度法和重量法》.pdf 8

ISO 4295-1988 Manganese ores and concentrates determination of aluminium content photometric and gravimetric methods《锰矿石和锰精矿 铝含量的测定 光度法和重量法》.pdfISO 4295-1988 Manganese ores and concentrates determination of aluminium content photometric and gravimetric methods《锰矿石和锰精矿 铝含量的测定 光度法和重量法》.pdf

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ISO 4293-1982 Manganese ores and concentrates Determination of phosphorus content Extraction-molybdovanadate photometric method《锰矿石和锰精矿 磷含量的测定 萃取钒钼酸盐光度法》.pdf 8

ISO 4293-1982 Manganese ores and concentrates Determination of phosphorus content Extraction-molybdovanadate photometric method《锰矿石和锰精矿 磷含量的测定 萃取钒钼酸盐光度法》.pdfISO 4293-1982 Manganese ores and concentrates Determination of phosphorus content Extraction-molybdovanadate photometric method《锰矿石和锰精矿 磷含量的测定 萃取钒钼酸盐光度法》.pdf

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