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Metering pump
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Patent number 4,715,795
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Issue date Dec 29, 1987
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Siemens Aktiengesellschaft
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Reiner Habrich
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Photo-voltaic solar module
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Patent number 4,419,531
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Issue date Dec 6, 1983
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Siemens Aktiengesellschaft
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Josef Lang
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H01 - BASIC ELECTRIC ELEMENTS
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Multiple dosing device
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Patent number 4,161,262
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Issue date Jul 17, 1979
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Siemens Aktiengesellschaft
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Reiner Habrich
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL