NB/T 47023  法兰 FM 750-1.6

3 FM750-1.6

SO 10"-150 RF

wn20-900 rfsch160

WN 125-150 RF Sch40S

WN 50(B)-16 RF97

47065.4 A469

SO 8"-150 RF

WN8"-300 RF Sch80

WN100(B)-16 RF S=53

WN40(B)-16 RF10009 RFn0R4G3RF@AFF@P2@Fj@5@F40SP2@Fj@5@F��709916 RF B456300RFÂ6G5 RJS