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SIS 16 17 07-1970 Plastics Determination of migration of plasticizers《塑料 增塑剂移动的测定》.pdf 3

SIS 16 17 07-1970 Plastics Determination of migration of plasticizers《塑料 增塑剂移动的测定》.pdfSIS 16 17 07-1970 Plastics Determination of migration of plasticizers《塑料 增塑剂移动的测定》.pdf

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SIS 16 17 03-1970 Plastics Determination of the loss of plasticizers bv activated carbon《塑料 由活性炭测定增塑剂损失》.pdf 3

SIS 16 17 03-1970 Plastics Determination of the loss of plasticizers bv activated carbon《塑料 由活性炭测定增塑剂损失》.pdfSIS 16 17 03-1970 Plastics Determination of the loss of plasticizers bv activated carbon《塑料 由活性炭测定增塑剂损失》.pdf

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SIS 16 14 14-1965 Plastics Determination of temperature of deflection under load《塑料 负载挠度的温度测定》.pdf 3

SIS 16 14 14-1965 Plastics Determination of temperature of deflection under load《塑料 负载挠度的温度测定》.pdfSIS 16 14 14-1965 Plastics Determination of temperature of deflection under load《塑料 负载挠度的温度测定》.pdf

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SIS 16 13 52-1970 Plastics Determination of Izod impact resistance《塑料 冲击阻力的测定》.pdf 6

SIS 16 13 52-1970 Plastics Determination of Izod impact resistance《塑料 冲击阻力的测定》.pdfSIS 16 13 52-1970 Plastics Determination of Izod impact resistance《塑料 冲击阻力的测定》.pdf

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SIS 14 18 80-1971 Tool steel cold work steel《工具钢，冷加工钢》.pdf 2

SIS 14 18 80-1971 Tool steel cold work steel《工具钢，冷加工钢》.pdfSIS 14 18 80-1971 Tool steel cold work steel《工具钢，冷加工钢》.pdf

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SIS 14 18 70-1975 Steel for cold rolled strips《用于冷轧带钢的钢》.pdf 3

SIS 14 18 70-1975 Steel for cold rolled strips《用于冷轧带钢的钢》.pdfSIS 14 18 70-1975 Steel for cold rolled strips《用于冷轧带钢的钢》.pdf

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SIS 14 18 70-1961 Steel 18 70 for cold rolled strips《用于冷轧带钢的钢18 70》.pdf 2

SIS 14 18 70-1961 Steel 18 70 for cold rolled strips《用于冷轧带钢的钢18 70》.pdfSIS 14 18 70-1961 Steel 18 70 for cold rolled strips《用于冷轧带钢的钢18 70》.pdf

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SIS 14 17 78-1975 Steel for cold rolled strips《用于冷轧带钢的钢》.pdf 3

SIS 14 17 78-1975 Steel for cold rolled strips《用于冷轧带钢的钢》.pdfSIS 14 17 78-1975 Steel for cold rolled strips《用于冷轧带钢的钢》.pdf

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SIS 14 17 78-1961 Steel 17 78 for cold rolled strip《用于冷轧带钢的钢17 78》.pdf 2

SIS 14 17 78-1961 Steel 17 78 for cold rolled strip《用于冷轧带钢的钢17 78》.pdfSIS 14 17 78-1961 Steel 17 78 for cold rolled strip《用于冷轧带钢的钢17 78》.pdf

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SIS 03 66 33-1963 Reproduction Screen angles for colour printing《再制造 彩色印刷屏幕角》.pdf 2

SIS 03 66 33-1963 Reproduction Screen angles for colour printing《再制造 彩色印刷屏幕角》.pdfSIS 03 66 33-1963 Reproduction Screen angles for colour printing《再制造 彩色印刷屏幕角》.pdf

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