HG/T 20592  法兰盖 BL 300-63 RFM10-c

BL300-63 RFM10-c

bl150-10ff c©4.5

BI 900 h=1270

WN125(B)-400 RF

PL600-2.5rfMFM=3

47021 M 550-0.6� SS2

WN300(B)-25 RF S=221.6/1

47021 c-rf700-1.0/F�

LWN 80-150 RF sc 700-1. ãž targe

TH 3"-2500 FF���1@1S5RFSfch80S855S أ¢ï؟½mp/