HG/T 20592  法兰 PJ/RJ 5-16 RF0 RF S=12.72@RF@4 Rch4@4R12F@44mpampam@/

BI 1688@RFRFRF Sa.5 RJ@66-RJ5-16RF0 RF S=12.72@RF@4 Rch4@4R12F@44mpampam@/

WN25-16RFt2=14/ha.b0RF6 RF150-150RF Sch40sRFO4

SP-1106

LWN20-300 RF Sch40s H

bii 5296

bii 4043

WN 4"-150 RF Sch6344 RJ-1671@� RFJsRF@H@RH

BI 7392

SP-9109

WN25-25 RF@RFh