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ONORM A 2117-1997 Displays for projection for educational purposes -Requirements for Originals for display《教学用投影展示 展示用原始文献要求》.pdf 3

ONORM A 2117-1997 Displays for projection for educational purposes -Requirements for Originals for display《教学用投影展示 展示用原始文献要求》.pdfONORM A 2117-1997 Displays for projection for educational purposes -Requirements for Originals for display《教学用投影展示 展示用原始文献要求》.pdf

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ONORM A 2116-1995 Requirements for projection and viewing conditions whenusing audiovisual media for educational purposes《使用教学用视听设备的投影要求和观看环境》.pdf 7

ONORM A 2116-1995 Requirements for projection and viewing conditions whenusing audiovisual media for educational purposes《使用教学用视听设备的投影要求和观看环境》.pdfONORM A 2116-1995 Requirements for projection and viewing conditions whenusing audiovisual media for educational purposes《使用教学用视听设备的投影要求和观看环境》.pdf

上传人：unhappyhay135
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ONORM A 2115-1994 Screens for educational purposes - Marking of conformity《教学用屏幕 合格标识》.pdf 11

ONORM A 2115-1994 Screens for educational purposes - Marking of conformity《教学用屏幕 合格标识》.pdfONORM A 2115-1994 Screens for educational purposes - Marking of conformity《教学用屏幕 合格标识》.pdf

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NS 9512-1985 Plastics - Glass reinforced materials - Determination of tensile properties (ISO 3268 1978).pdf 9

NS 9512-1985 Plastics - Glass reinforced materials - Determination of tensile properties (ISO 3268 1978).pdfNS 9512-1985 Plastics - Glass reinforced materials - Determination of tensile properties (ISO 3268 1978).pdf

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NS 9508-1985 Plastics - Determination of the brittleness temperature by impact (ISO 974 1980).pdf 8

NS 9508-1985 Plastics - Determination of the brittleness temperature by impact (ISO 974 1980).pdfNS 9508-1985 Plastics - Determination of the brittleness temperature by impact (ISO 974 1980).pdf

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NS 9504-1985 Plastics - Standard atmospheres for conditioning and testing (ISO 291 1977).pdf 4

NS 9504-1985 Plastics - Standard atmospheres for conditioning and testing (ISO 291 1977).pdfNS 9504-1985 Plastics - Standard atmospheres for conditioning and testing (ISO 291 1977).pdf

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NS 9503-1984 Plastics - Determination of Izod impact strength of rigid materials .pdf 9

NS 9503-1984 Plastics - Determination of Izod impact strength of rigid materials .pdfNS 9503-1984 Plastics - Determination of Izod impact strength of rigid materials .pdf

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NS 9462-2006 Water quality - Determination of UV-absorbance.pdf 11

NS 9462-2006 Water quality - Determination of UV-absorbance.pdfNS 9462-2006 Water quality - Determination of UV-absorbance.pdf

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NS 5322-1977 Hand and machine hacksaw blades.pdf 1

NS 5322-1977 Hand and machine hacksaw blades.pdfNS 5322-1977 Hand and machine hacksaw blades.pdf

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NS 5321-1977 Hand taps for pipe threads for taper threads.pdf 1

NS 5321-1977 Hand taps for pipe threads for taper threads.pdfNS 5321-1977 Hand taps for pipe threads for taper threads.pdf

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