GB/T 12459  弯头 DN 100-Ⅱ-Sch40180ESo

DN 100-Ⅱ-Sch40 180ESo

PL 15-16 RFRJ52m@SOass S00 RFaa=650�Â

WN 250(B)-10 RF S=3ph Sc S

LF/SE 300-150 RF C=52

HG/T5010-58 PL450(B)-6RF

PJ/SE 125-16 RF S=7

PJ/SE 150-16 RF S=7

BI 2400H4010RF S=5-116

WN200A-40M-1.26.5rrf-1c

WN 250(B)-10 RF S=3ph Sc