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Minoru Nakajima
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Isehara, JP
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last 30 patents
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Patent Grant
Apparatus for mechanically breaking up rock
Patent number
4,566,736
Issue date
Jan 28, 1986
Kabushiki Kaisha Komatsu Seisakusho
Shigetake Akanuma
E21 - EARTH DRILLING MINING
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Patent Grant
Earth and sand conveyor system
Patent number
4,286,935
Issue date
Sep 1, 1981
Kabushiki Kaisha Komatsu Seisakusho
Noboru Okuno
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL