GB/T 12459  同心异径管 DN 600×600-6RCLT1605

DN 600×600-6 RCLT1605

pl80-6 rf

WN 1200(B)-10 RF S=106.4 un0/

PL500(B)-6 ff592-200-

WN40A-100MFM00.6F71610rf-10-1fRF 600-1.6/130F(b)-40rf00r

BI 4001/56-140SOtm0s-

WN 150(B)-16 RFSCH80

Pl450b-6ff6amB=64 R=6 und

BI 1100S R16RF/´11.6/10RF2/

BI 1100S R