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Mitsumasa Akashi
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Kamakura, JA
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last 30 patents
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Patent Grant
Pilot operated pressure and vacuum relief valve
Patent number
4,016,903
Issue date
Apr 12, 1977
Kabushiki Kaisha Komatsu Seisakusho
Mitsumasa Akashi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...