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D(3/6/9)73H/D(3/6/9)43H
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DN40-800
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1.6MPa-4.0MPa
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API609??MSS.SP-68

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GB/T12221

ASMEB16.10??API609??MSS.SP-6??

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JB/T79 JB/T82??GN/T9115

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Cu??PTFE+2?Da??

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5

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2Cr13

 

 

 

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