7a01 flat abrasive

Common raw materials

Forging display

CNC processing

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20201219 · LB1 (7A01)、 LB2 (1A50) ,LB1,LB2。 ,

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7A01 LB1 - GB /T 3190-2020 -

7A01 LB1 GB /T 3190-2020 Chemical Compositions of wrought aluminum and aluminium alloys ①

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70017075?_

201287 · GB/T--3190-2008,,,7A01,、。 7075

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: 5

7A04_