HG/T 20592  法兰 WN 80-100 RF S=7H=1140--A RF Ⅱ S=4

WN80(A)-100 RF S=7H=1140--A RF Ⅱ S=4

pl 25(b)-40 rf s=4mm73 h=086=90.4009 WN25-

WN 150-600 RF S=5b-1/ะ ย ะฒา–าฃะ โ€™ะ’

HP-2 Г ВёВ°ШўВ Г ВёВ°ШўЩҫГ ВёВ°ШўвҖ

SO15-600 RF/0а№Ҹаёҹаёқ04В