HG/T 20615  法兰盖 BL 32-300 M.6/€�

BL32-300 M.6/€�

wn125(b)-40 fmR=1F000-1

PL 10(B)-6 RF.5 ff mf��.

WN 500-150 RF Sch30

3FM1600-1.6/95-175

WN 100-300 RF Sch80

WN 20(B)-63 FM S=5- 25FM RF8RF Sa.5@� RFJsRF@H@R(B)-150RF

SO 600-150 RF RF/

BL 150-160 MSJS0SampampfRF0@RFch4ch40-16