GB/T 9124.1  法兰 DN50-PN16 PL RF Ⅱ 4FH4)0rflasR�c@S10@44000H

DN50-PN16 PL RF Ⅱ4FH4)0rflasR�c@S10@44000H

WN20(B)-16 RF S=4

2 RF 700-1.6

BL100-150 RF C=32

BL 2"-150 RF

WN 3"-600 RF Sch40S

3 FM 900-1.6

BL 100-6 RF

WN32-160 RF

wn 25-900rfsF0pampampam40 G=1@RF@4SR00 FF Sch40h400�؟�C404.chmpf0-10