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Hans Klober KG
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Ennepetal, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Roof vent pipe
Patent number
4,955,167
Issue date
Sep 11, 1990
Hans Klober AG
Johannes Holtgreve
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Roofing slab
Patent number
4,803,816
Issue date
Feb 14, 1989
Hans Klober KG
Johannes Klober
E04 - BUILDING
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last 30 patents
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