HG/T 20592  法兰盖 BL 1000-16 RFmpampampampampamp

bl1000-16 rfmpampampampampamp

WN14"-900 RFm 15r Sch40 RF S=8 FM/55ã8fRF16592.0(a)-1

wn150-150ff hg100./Ff=350 RF=去=ch40 A=4S=61æ20h1RF S=

SO 80(B)-16 RF b=4

BL 50-16 RF=3/

SO 80(B)-16 RF

2 A4F SFb).

47023 FM600-1.0 δ0=8= 100-1.6/n8052061500