HG/T 20592  法兰盖 BL 32-6 RF0.6/166R RF S=20 M B=48�M0-1.6/42-130@RF@4�

BL32-6rf0.6/166R RF S=20 M B=48�M0-1.6/42-130@RF@4�

bl0-100 fm(b)-16 rf G=.bch80

47023 rf350-2.5=70-165.1 h=83

WN50B-40 RJf39M0(B)-2.5 FF.22F016 RF�€¡â

WN20-1500 RF B=17.9

PL125B)-10 RFžÂ¢=301S/

DN150-PN10 BL M Ⅱ

JWN 50×80(B)-25 RF

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