GB/T 12459  等径三通 DN 700-Ⅱ-6TSb

DN 700-Ⅱ-6 TSb

sw 80-300 ff RF@��

支座b450 RFAFF ScF&@��@RF@4 Rch44060f

WN80(B)-16 RF@�

IF 6-300 RF@40@4400b-1RF0sc@RF R RF100(B)3

BL100-16RJ/1200-0.66RF-FM1000-0

WN750-25 RF

BL 200-300 RF5 RJj@5@

PL65(B)-6RF6f0A@��@RF@4 Rc

sw 80-30