NB/T 47065.1  支座 BⅠ 72467

BI 72467

DN 100×50-Sch10S RC

BL 300-6 RF

2 A7968

SO 50-150 RF

1 RF 600-0.6 δs=6

DN65/PN10/01B

SO 200-150 RF

4 B389

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