HG/T 20592  法兰盖 BL 350(B)-10 RFя▐Б√░п▒Б┬ Б√▒п©Б√

bl350(b)-10rfя▐Б√░п▒Б┬ Б√▒п©Б√

WN300B)-150RFHG/ A0-1.600-a=92050046RF S=12RFRF5686.4RFS35M16/

3 m550-1.6rfF S=S=3.91f sc=a/h40h45ff0fch30 ss5S=1

so25b-25 rfF00rf S=6F HG5010-58=.0/60-120RF RF=8f

WN100-40RFM40B)/F S=128.6+0.5