ASTM E77

ASTM International    

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ASTM International is a globally recognized leader in the development and delivery of international voluntary consensus standards. We provide …
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你的礼品将支持 American Society For Testing And Materials
你的礼品将支持 American Society For Testing And Materials

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常见问题解答

问:
Do I have to be a member of ASTM to register for a class?
答:
No, training courses are open to everyone.
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