HG/T 20592  法兰 PL 3500(B)-10 FF6 f18RFRII40 r/70-

PL3500(B)-10FF6 f18RFRII40 r/70-

wn600(a)-10rf056001 FFRF.

PL25(B)-16 RFRfrfSch06 FMB=

SO 40(B)-40 T-1b=66.900-0.ww.hMFâ=r=6

WN 500-600 RFselect cS=61/SÃCH40fr

WN40-300 RF

SO 40-150 RF SCH80wn 100h=80

PL25(B)-40FM b

PL80-16 FF(B) AA=

JSO 50×80(B)-