NB/T 47065.3  耳式支座 B9

47065.3 B9972

WN 50-300 RF Sch40s

PL65-16 RF 90E

B WN 1000-150 RF

3 RF 400-1.6 δ0=6

WN350-300 RF Sch100

TH3"-900 RF ST1J

DN25/PN16/01B

PL 300(B)-16 RF574

3 RF 500-1.6 δ0=16FScaM S=t Std9@ B3 B83723 RF S=1195F S=2.878RF N= B=78 RF2.5RF56F sRFF