HG/T 20592  法兰 BLS 600-6 RF60rfÂFShRF5 RJc0@RF fM

BL(S) 600-6 RF60rfÂFShRF5 RJc0@RF fM

SO 350(B)-16 RF

WN80-300 RF Sch160205=2755.

WN 25(B)-10 RF

BL80-900RF

BL80-300rfh40.RF@RF@443RF@AFFN RFL R

B WN 32"-150 RF B= B=766

SW 1"-150 RF

BL 24"-150 RF

WN2"-2500 RF Sch120@/S RF Sch40am