GB/T 12459  偏心异径管 DN 50×40-6RE120.5

DN 50×40-6 RE120.5

WN 800(B)-16 RF S=13

PL 80(B)-10 RF

3 FM 900-2.5

PL50-16Rj603CHf r

WN200-300RF sch80

PL 80(B)-16 RF

SO125-150 RF

JWN 150×200-150 RF Sch40S

WN 80-900 RJ Sch40Sbf15044@c4F RM-aF5RF2@F9@RF689J@pl110RF00M20000S=3J571h40S=-160cF02314R