GB/T 12459  同心异径管 DN 32×20-Sch10SRC

DN 32×20-Sch10S RC

WN150(B)-100 FM

BL125-6rf92

LWN40-150 RF B=38 H=1696 S(720S0s H1=8.0- S=26/u

BII 3700 РҪв•ў50 RF5 RF S=4

WN25-150 fm

BL125-6fm6FF RfJSch100/144-FS5 sch40 H=20c

so450(B)-10rf10 s==00c2Hm

SO65(A)-16 RF-1rj sch Sch800ârf

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