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  • JB/T JB/T -

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     ·  JB JBT 56011 -1999 21 JB JB-T 20 JB JB-T

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  • (PDF) Poly-Cross-Linked PEI Through Aromatically

     · PDF Cationic polyimines polymerized through aromatically conjugated bis-imine linkages and intra-molecular cross-linking were found to be a new class Find read and cite all the research

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     · JB/T JB/T YY/T GB GB 14883.

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     · GB/T GB/T GB/T GB/T 19674.2-2005 --(AE)

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     · lBr 5000 1 1—2007 JB T 5000 1—1998 1 Heavy mechanical general techniques standards——Part 1 Attachedpiping 2007 08—28 2008—02 01 JB r 5000 1

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     ·  GB/T . . . 24° cone connectorsUnion. . . . . GB/T 3737.1-1983 GB/T 3737.2-1983

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     · JB/T GB/T 1.1-2009 1 NY/T 1220.1-2006 JT/T XML GB JG/T GB/T

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     · GB/T . GB/T . . . 24° cone connectorsMale. . .

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     ·  GBT 20801.3-2020 3 98 GBT 20801.3-2020 3 98 GBT 20801.3-2020 3

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