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Gas collection apparatus
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Patent number 4,256,837
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Issue date Mar 17, 1981
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Inventa AG fur Forschung und Patentverwertung, Zurich
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Peter Fluri
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Ternary polyamide filaments
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Patent number 4,225,699
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Issue date Sep 30, 1980
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Inventa AG fur Forschung und Patentverwertung, Zurich
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Eduard Schmid
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D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Motors
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Patent number 3,973,471
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Issue date Aug 10, 1976
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Inventa AG fur Forschung und Patentverwertung Zurich
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Georg Hirmann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Stabalization of linear polyesters
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Patent number 3,959,215
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Issue date May 25, 1976
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Inventa AG fur Forschung und Patentverwertung, Zurich
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Ewald Schneider
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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