NB/T 47065.1  支座 A 2988

47065.2 A2988

WN 250B-25RF S=8T0RF)110FF Sch40S

SW 8"-900 SG-900 FM900 LGG900

WN 50(B)-63 RF

SO1500(B)-16RF

WN 300(B)-16 RF

DN80-Class150 WN RF S=0

pl100-16RF Sch50Fh

PL 200(B)-16 RF

SW 50(B)-63 RFRF S=20��™”©–™50 RF Sch40 H=473FM Sch40