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STANDARD

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GB 12238 /GB 12235

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GB/T 13927

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GB 12220

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GB/T 12252

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HT250/WCB

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CF8

CF8M

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1Cr18Ni12Mo2 Ti

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FEP(F46) PCTFE(F3) PFA (Ծķϩ)

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HT200

HT200

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