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[国外标准] ASTM D 256-03 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics

mancinic

P:2009-11-25 10:05:16

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ASTM D 256-03 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics.pdf

ASTM D 256-03 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics.pdf

PTC - positive temperature coefficient正温度系数(指电阻随温升而增大的特性) （0） 投诉

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