HG/T 20592  法兰 PL 25(B)-10 RF00c81/800-1.0.50 FF D= B S

PL 25(B)-10 RF00c81/800-1.0.50 FF D= B S

GB/T 9115 WN400-63RF RF B

PL80B-6RF b=2G/34,

SO600(B)-16 RF100

so20(B)-150 RFE

SO 32-150 RF0RF1000-1.5 RF RF S=7.11F6 RFRF05fC/1SC

47021fm600-1.0 s=816 RF00-2.5

BL25(B)-10FF=RJSch0-

SO 50-100 RF0SD150 rf)-�