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Clamp
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Patent number D686294
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Issue date Jul 16, 2013
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Gerhard Ziegler
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D22 - Arms, pyrotechnics, hunting and fishing equipment
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Switch
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Patent number D658135
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Issue date Apr 24, 2012
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ABB Stotz-Kontakt GmbH
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Ralf Weber
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D13 - Equipment for production, distribution, or transformation of energy
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Switch
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Patent number D658136
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Issue date Apr 24, 2012
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ABB Stotz-Kontakt GmbH
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Ralf Weber
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D13 - Equipment for production, distribution, or transformation of energy
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Ventilating device for a generator
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Patent number 4,680,493
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Issue date Jul 14, 1987
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Dr. Ing. h.c.F. Porsche Aktiengesellschaft
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Gerhard Ziegler
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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