GB/T 12459  弯头 DN 65-Sch10S45EL710SRF Sch40

DN 65-Sch10S 45EL710SRF Sch40

WN80-150RF SCH80S

PL 80(B)-25 RF

WN80(B)-16 RF

BI 5755rvleb16l1ot

WN 26"-300 RF S=3.5

WN 800(B)-16 RF S=12

WN 1 1/2"-150 RF

WN 100-150 RF =1000(B)-16

bi 3164@F00FFRFFRF00AF5@sp�@R67RF13816)-16 RF58007�0=12h