GB/T 12459  弯头 DN 25-245EL3665RF Sch41481500

DN 25-2 45EL3665RF Sch41481500

3 M 600-1.6

BL80-1500 Rj=22

BI 219

PL100(B)-16 RF29730sF RF

DN50-PN16 IF RF

DN100-PN16 PL/W-B RF II1 Sch1/RfF51Cl2516

wn600-600 m sch40

TH40-40 RF

法兰 WN50-16 RF S=3.5mm 16Mn=4.51461.0 �FF@4�FF50 RF H=12�@FF5R