GB/T 12459  异径三通 DN 1200×1200×650-Sch40TR0ce/F SC

DN 1200×1200×650-Sch40 TR0ce/F SC

WN 25-600 RF S=4=16RF Sch80S=650�n=10Sch40 L=1000rf/d=

PL800-6RFF=b)fnƒ�

BL1200-6 RFS6 RF Sch40S0-1310

PL 80(B)-10 RF01605Fr80FMF0rfK82

A WN 42"-150 RF B=6

pl65(b)-40 g=3PL0S 0

DN 25-Ⅱ-4.5 90ELot1

2 FM