HG/T 20592  法兰 PJ/SE 300-40 RF S=12

PJ/SE 300-40 RF S=12

B WN 38"-150 RF B=Sch40S

so 500-16 RF

2 CG 900-1.6 δ1=14

1 RF 450-0.6 δs=8

5 M 800-4.0 δ0=12

BL259-16RF0590..RF06F-ุ� RF S2/02h40RF00-0 SCH8RF11BF II��83.6�ta5 RJ0SMF@4 RcJ/Fc2

A WN 38"-150 RF B=Sch40S

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