GB/T 12459  偏心异径管 DN 1050×15-Sch40SRE REF S=6 RF00Rf4

DN 1050×15-Sch40S RE REF S=6 RF00Rf4

47021-M 500-1.0 b1=990FTfch400-h40f/u00e6

IF150-150 RF

WN100(B)-63 Rf S

PL65-16FF=

SO20-300 RFpa40071.fSF.5mpaF4rf

BL40A-10 RFrf s=35

so350b-16 rf n=8FF

PL 100(B)-16 RF00-0d& SC150/f)0 RF S=b=316 RF/�

PL 150(a)