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Yasuhiko Tsuchihashi
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Komagane, JP
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last 30 patents
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Patent Grant
Compressed powder magnetic core and method for fabricating same
Patent number
5,160,447
Issue date
Nov 3, 1992
Kabushiki Kaisha Sankyo Seiki Seisakusho
Masayuki Ishikawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES