HG/T 20592  法兰盖 BL 300-16 RFS=150 RaLGRF3255�g2�7.5 RJ-R0

BL 300-16 RFS=150 RaLGRF3255�g2�7.5 RJ-R0

WN459-900RFh100mFHGFF4070=100 K= CF Sch4282�RF50 FF@4F S=6ta5F

BL 500-16 RF

DN 32-Sch40S 90EL=0625)-16 R

WN25b-40rf00(b)0615

B WN 800-150 RF S=3

WN 65(B)-16 RF

PL100(B)-10 RF

SOH FF 10K 400A35.15

47065.