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Vibroground Trademarks
VIBROGROUND
ELECTRICAL MEASURING INSTRUMENTS FOR MEASURING THE RESISTANCE OF ELECTRICAL GROUNDING CONNECTION TO THE EARTH
Cancelled
·
August 29, 1986
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73617494
·
VIBROGROUND
ELECTRICAL MEASURING INSTRUMENTS-SPECIFICALLY INSTRUMENTS FOR MEASURING THE RESISTANCE OF ELECTRICAL GROUNDING CONNECTION TO THE EARTH
Expired
·
January 16, 1943
·
71457942
·
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