NB/T 47065.1  支座 BⅠ 72321

BI 72321

PL 300(B)-16 RF720

PL 300-10 FF/93H/44-115 BB506ƒ

WN 300-300 RF Sch40S

nb=t47021 rf900-0.6/16rf=5.6ch40s h0

LWN 50-150 RF

WN300(B)-63 FM S=/-2=6

PL 80(B)-16 RF40S rf@40@S5FSch40S

wn20(b)-10 fm s=2.3600u00c

PL100-10RF005@.5RSB/@5@SS0-300 RFF