HG/T 20592  法兰盖 BL 900-160 FM0 B=5

BL 900-160 FM0 B=5

PL200-10RF(B)

SO 32(B)-16 RF

WN25-16 RF

pl40(b)-16 rjth�

wn25(b)-16 mfmFFRF7c

SO 40(B)-16 RF

BI 550

DN200-PN6 PL/C RF Ⅱ

47065.3 B1-RF ⅡFu00RFF50250150 RF S=3RJ923020 A2RJj@5c2@RF@443R80/0 S10S S=3RF S=56R0Rd=6 L=190-6 ffS=4 B