GB/T 12459  弯头 DN 150-sch1090ELSh40/0-

DN150-sch10 90ELSh40/0-

WN 10-1500 FM

IF 10-600 TLGrf 1JsRF@F SRF06

PL150(B)-16 RF9400.00-6=1(B)-16 RF F)-16 R

HG/T20592 BL50-40RF W0-151 B=16112009f95-40rfwn

PL125(B)-16 RF d=186 Sch160250F2K=770 L=36 C=

SO 65(B)-16 RF

WN 80-150 RF Sch160

PL 125(B)-