NB/T 47065.1  支座 BⅡ 19940

BⅡ 19940

WN 80-300 FM Sch40SRFS0

APB-7 WF.6150(B)-25RF fsT0ch40=F/

AWN800-300RF21fF09=1706 RF==12.550 RFmpnbsp-atampa

JWN 100×150-150 RF Sch40S

SO 150-150 RF

B WN 800-150 RFRF250B-25

DN20-PN16 BL RF Ⅱ

BI 100061RFr3s=3.5RJ S=1625 FM RF6 FMB

PL150