HG/T 20592  法兰 PL 350 (B)-10 RF0800HS15K=08ww=F R

PL350 (B)-10RF0800HS15K=08ww=F R

SO 20(B)-16 RFf0 RFWN76.4RF-6010-1RFFRF0RRFF D=1015 B=824 C=241=

WN25B-25G S=0� δ=120 h=B)-100

1 RF 550-1.6 δs=10 δs=F= b= c=30 C=46 f1=40068 H=568B0R

PL25(B)-16 RF D=109.5 C=14 b=3efined=6414

WN 50-150 RF Sch160