NB/T 47065.1  支座 A 2269

47065.2 A2269

支腿 B5

SP-6407

WN 4"-150 RF Sch7461

WN80(B)-16 RF46996

BI 14182

WN 300(B)-16 RF S=5188

DN450-PN16 WN RF Ⅱ S=10

47065.3 B1104

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