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Anisotropic permanent magnet of Mn-Al-C alloy
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Patent number 4,023,991
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Issue date May 17, 1977
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Matsushita Electric Industrial Co., Ltd.
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Takao Kubo
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Search type tuning device
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Patent number 4,004,233
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Issue date Jan 18, 1977
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Matsushita Electric Industrial Co., Ltd.
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Yoichi Sakamoto
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H03 - BASIC ELECTRONIC CIRCUITRY
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Channel selector
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Patent number 3,979,680
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Issue date Sep 7, 1976
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Matsushita Electric Industrial Co., Ltd.
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Yoichi Sakamoto
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H03 - BASIC ELECTRONIC CIRCUITRY
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