HG/T 20592  法兰盖 BL 200-40 RF C 500-s/@470 RF.0l154

BL200-40RF C 500-s/@470 RF.0l154

WN200-10RJ160F100fF Sch40´

B WN 800-150 RF S=12 WN45 RF Sc FMS=4 RF

BL00-25RF3Am1@5060

47023 rf1800-2.5/FRF4M

A BL 65-300 RF�°F5@PFRF-150 FF5RF

WN600-150 RF SCH160)nl jacket gR15rf0Ch

WN150(B)-63m0-00b4=2/800

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