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Gas meter and gas security system
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Patent number 8,250,932
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Issue date Aug 28, 2012
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Panasonic Corporation
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Mitsuo Yokohata
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Gas leakage detection system
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Patent number 5,866,803
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Issue date Feb 2, 1999
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Agency of Industrial Science and Technology
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Mitsuo Namba
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G01 - MEASURING TESTING
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Gas leak detection system
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Patent number 5,261,268
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Issue date Nov 16, 1993
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Agency of Industrial Science & Technology, Ministry of International Trade &...
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Mitsuo Namba
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G01 - MEASURING TESTING
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Gas shutoff apparatus
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Patent number 4,928,728
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Issue date May 29, 1990
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Matsushita Electric Industrial Co., Ltd.
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Shinichi Nakane
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G01 - MEASURING TESTING
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Gas shutoff apparatus
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Patent number 4,881,948
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Issue date Nov 21, 1989
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Matsushita Electric Industrial Co., Ltd.
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Shinichi Nakane
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G01 - MEASURING TESTING