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Mass flowmeter
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Patent number 5,307,689
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Issue date May 3, 1994
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Tokico Ltd.
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Shigeru Nishiyama
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G01 - MEASURING TESTING
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Mass flowmeter
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Patent number 4,811,606
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Issue date Mar 14, 1989
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Tokico, Ltd.
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Hiroaki Hasegawa
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G01 - MEASURING TESTING
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Turbine flowmeter
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Patent number 4,324,144
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Issue date Apr 13, 1982
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Tokico, Ltd.
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Yasuji Miyata
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G01 - MEASURING TESTING