HG/T 20592  法兰盖 BL 800-6 RF0 C

bl800-6rf0 C

20592SO100-25RFm/FS=80orum.html

WN 300(B)-10 RF-1.04

DN80-PN10 WN RF Ⅱ��m

SO350-16RF00cHG/

wn150-10rf s=7.1-6f=16

JWN 150×200-150 RF Sch40Srf5 B0MS=8mpampR/MXB-h0(B)-10 RFF2S

PL 600-150 RF m8F/0RF600aJrfh/70-rf.56/

1 RF 650-1.03Sc