GB/T 12459  弯头 DN 150-Sch40S90ES00-0.2

DN 150-Sch40S 90ES00-0.2

BI 1400

PL 40(B)-10 RF

WN 50(B)-40 RF S=6

HG/T5010-58 PL50(B)-10RF

WN 600()-10 RF Sch40S

bl500(b)-16 rf s=8/M S=25CH66

SO80-600 RF Sch rf /@12R/@B F4-1H40S7.5

WN32(B)-25 FM S=4/for

BL300-600RF ST=10 h=120¦ã‚â° so6 b=42