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2024
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Invention
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Screw for fastening different.
A more improved screw for fastening different materials is provid... |
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Invention
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Screw for fastening different materials. Provided is a more improved screw (1) for fastening diff... |
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2021
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Invention
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Rolling processing device. Provided is a rolling processing device with which a die can be used o... |
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2016
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Invention
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Thread-rolling flat die for threaded fastener, and thread-rolling method. A thread-rolling flat d... |
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Invention
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Rolling flat die for screw component and rolling working method. Provided are a rolling flat die ... |
