GB/T 12459  偏心异径管 DN 65×50-4RE/data@RF@4 RcFR�@4�o@40(40RF-R�@4п�RJFF�o@4

DN 65×50-4 RE/data@RF@4 RcFR�@4�o@40(40RF-R�@4п�RJFF�o@4

WN 100-150 RF Sch40S

WN50-25 RjHaRF0p0F@AFsRFRF@44=9F5000=46=215 RJj@5c2@RFFFtRF@401-1052.500ARF���-150 RF�K=1F

B WN 750-150 RF S=S=13

1 RF 550-1.0 δs=6

PL 250(A)-16 RF

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