HG/T 20592  法兰 WN 1200-10 RF s=12

wn1200(a)-10rf s=12

WN80-150 RF S=8=/

WN 4"-150 RF S=4

SO50-40G220)-40m0B=43sch80

WN100-600 Rj SCH405.600-1.6S=1 S=4350B3 T S=F/4140-1.000-6.45/wp-c=4 DN=2B=7

SO 300-150RF60SO00-f/@bi 1

WN 500(b)-25 RF=ampampampampam

BL50-25 RF

47023 M550-4.00BB