Lei ZHANG

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Last publication date:

2024-05-02

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The entities that hold a legal rights for patent applications filed by inventor ZHANG Lei:

Lei ZHANG from , has applied for patents for these inventions. The list has both pending applications and granted patents:

BRAZING JOINT, BRAZING METHOD AND DEVICE, FOR PROMOTING SOLDER RHEOLOGY AND GAS OVERFLOW

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6642777 ⎘