HG/T 20592  法兰 PL 150(B)-10 RF D2=4

PL150(B)-10RF D2=4

BL450(B)-16 RF

LWN 65-300 RF B=474RnF S

2 CM 500-1.6

WN80(B)-16 RF D=215 H/db=257/F=3400/700

AXA-1-10 rf-3S12.165(BL140cham2=0sSch80.=�900�

B WN1400-300 RF=5 6أ¤A=9400-150 RF Sch40mpampamp;nbsp;y

BL 200-16 RF

BI 350

WN 10-9