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Accumulatorenwerk Hoppecke
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Cologne, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Reaction catalyst for the elimination of oxyhydrogen gas in lead-ac...
Patent number
4,129,687
Issue date
Dec 12, 1978
Accumulatorenwerk Hoppecke
Norbert Lahme
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Reaction catalyst for the elimination of oxyhydrogen gas in lead-ac...
Patent number
3,940,348
Issue date
Feb 24, 1976
Accumulatorenwerk Hoppecke
Norbert Lahme
H01 - BASIC ELECTRIC ELEMENTS