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Shut-off valve
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Patent number 4,699,359
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Issue date Oct 13, 1987
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Bopp & Reuther GmbH
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Walfried David
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Shutoff wedge for shutoff valve
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Patent number 4,629,160
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Issue date Dec 16, 1986
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Bopp & Reuther GmbH
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Walfried David
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Shutoff valve
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Patent number 4,607,821
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Issue date Aug 26, 1986
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Bopp & Reuther GmbH
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Walfried David
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flow meter
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Patent number 4,385,526
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Issue date May 31, 1983
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Bopp & Reuther GmbH
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Eckhard Huthloff
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G01 - MEASURING TESTING
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Spring loaded safety valve
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Patent number 4,362,183
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Issue date Dec 7, 1982
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Bopp & Reuther GmbH
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Herbert Richter
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flow meter
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Patent number 4,134,296
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Issue date Jan 16, 1979
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Bopp & Reuther GMBH
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Hans-Jurgen Kastner
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G01 - MEASURING TESTING
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Vane type meter
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Patent number 4,131,017
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Issue date Dec 26, 1978
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Bopp & Reuther GmbH
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Walter Back
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G01 - MEASURING TESTING