NB/T 47065.1  支座 BⅡ 30000Mf225500-s/@so10050R0SS25 RF S

BII30000Mf225500-s/@so10050R0SS25 RF S

WN 2 1/2"-150 RF Sch8

SO 300(B)-25FM

PL 600-16 RF RF/B

so200-300m4pampa=4=4f1co0

WN100-600FMSCH80S9RF

PL500-40RF00-1.02.10S RC0

47023FM 500-1.6/0 RF RF S

3 C-FM550-1.0pl25hg/t20c5/u08

WN450-300 RF S=5/64-RO