NB/T 47065.1  支座 BⅡ 3851

BⅡ3851

47021rf350-1.0未=22

WN 32(B)-100 RJ Sch40S

DN50-PN250 WN RJ Ⅱ

BL125-6 RF f1=2.2

WN 4"-150 RF Sch1671

PL 300(B)-10 RF233

(B)WN600-16RF80S-R schFS5 RJ293F0R42634Fδ0=320ARFF2cRF@В@RF@-16 R

SO 50(B)-40 RF

PL 80(B)-16 FF0K 100A�°Ã�