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Bimetallic steam trap
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Patent number 6,158,664
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Issue date Dec 12, 2000
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Gestra GmbH
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Holm Klann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of checking condensate dischargers
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Patent number 5,457,640
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Issue date Oct 10, 1995
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Gestra Aktiengesellschaft
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Werner Foller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Thermally controlled valve
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Patent number 4,995,553
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Issue date Feb 26, 1991
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Gestra Aktiengesellschaft
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Werner Foller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Thermally controlled valve
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Patent number 4,955,536
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Issue date Sep 11, 1990
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Gestra Aktiengesellschaft
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Werner Foller
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Thermally-controlled valve for a steam trap
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Patent number 4,161,278
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Issue date Jul 17, 1979
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GESTRA-KSB Vertriebsgesellschaft mbH & Co.
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Holm Klann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...