NB/T 47065.1  支座 BⅠ 3131

BI 3131

2 A4873

PL25B)-25 RF80h=95

SP-2213

LWN20-300 RF Sch160 H=388

47065.3 B10336

BII 29699

20592so500-16rfc4

SO 1/2"-300 RF

BII 37743500RJch40 TR)-16 RFc32.5 rf� RF xxs00RF SCH10S200 RF Ⅱ10 ASME SA182-F5607W-A RF ⅡTH=5mmⅡF RJ Sch80 L=