GB/T 12459  弯头 DN 200×150-Ⅱ-890ELR r

DN 200×150-Ⅱ-8 90ELR r

SO 600-150 RF B=513.5

B WN 650-150 RF S=15 b0@RFerF0¢ã�M0 RF

WN300-16RF B5 d=960 î´

47023fm1800-1.0/8

WN100-150 RF Sch40/s=5�

WN200()-150RF S=5.5 A1F.S65

so50-150 rf sch40s�ƒ

SO50(B)-16 T80ny0S Sch8

WN1