NB/T 47065.1  支座 BⅡ 226

BⅡ226

3 RF 300-2.5 δ0=12

WN 1/2"-300 RF

47065.3 B2212

BL500-600 RF

WN80(B)-16 RF8592

WN 40-150 RF Sch10S

5 RF 800-4.0

20592 WN100-40RF

WN 50(B)-16 RFot;-150 RF22-101/2"-150 RF150 RF Sch7905sch119F@5c2@RF@443RF@AFF-���Mfs2@2500F@.5F5@�