GB/T 9124.1  法兰 DN65-PN16 PL RF Ⅰ

DN65-PN16 PL RF I

PL125-16 Rj130mp

WN250-150 RF S=20

wn150-300tsch

SO500(B)-16RF=46r=j RF

WN 80(B)-25 M

47065.BI 800hF.5 RJ40���@S7Rsch

bl125(B)-150 RF

WN65(B)-25 RF S

SW 150-150 RF.55 RF6RF05 RFFRh6-h40â10SFF SCuothg2&36B S=4.5 c=52p;amp;amp;