GB/T 12459  偏心异径管 DN 1300×10-Sch40REs150/2"-150 RF016 RF S=3.05Sch80500cRF1=1@RF@4

DN 1300×10-Sch40 REs150/2"-150 RF016 RF S=3.05Sch80500cRF1=1@RF@4

PL 200-16 RF

PL 200(A)-16 RF

PL 200(B)-16 RF

PL 250(B)-16 RF

DN200-PN16 WN RF I S=6.3

WN50-300RF法兰95

47065.3 B30-@S RFSch40R LM10R@4MRJsRD/)000pa0 FFFpaf=40SFeF5)4�

PL100-1