NB/T 47065.1  支座 BⅠ 4927

DN65-Class900 LWN RJ B=50

BI 4927

wn350-16rfch4f0410001

WN50-300 RF Sch80-1.6/7-290-60.6/5-110ch40ch5RFr��5

BL 800-6 FF

wn20(a)-1500 rj sch402-2/M0fm00-

SO 2"-150 RF

wn 40-150 rf,9H80671RF@40@4

PL 80(B)-16 RF TRB=60

Bl600-300 RF Scc=a-1000-1