NB/T 47065.1  支座 BⅠ 50060 h=120

BI 50060 h=120

WN45-100RFl100a

21520PL350(B)-10RF

BL00-150 RF@6RFR0.60SH80S2s1؟RFscdata5 RJ0SM.5j&@404.ch8

DN300/PN10/01A

WN 40(B)-16 RF S=4

WN300-1500 RJ42-

so 250(b)-6 rf

SO 250(B)-6 RF

PL850(B)-6 RF2.5Ff/@4�@01)e.-6sR2/RF1206)=120T-f S0800 SM18