GB/T 12459  偏心异径管 DN 80×25-Sch10SRE

DN 80×25-Sch10S RE

BI 168-F0(bFm00-1.03..55015M2655 R@RF=1.��aF@5 RJSSch10S-0Fh4

BL 200-150 RF

LJ 1 1/4"-150 RF Sch40S

WN15(B)-160RF

PL100(B)-16 RFcERFδ0=18@-16G5 RJ RF LT0sRF@F

SO 600(B)-16 RFN320

WN50B-40RFS=10.5

WN 600-150 RF

BL15-2500R