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Patent:US2451084


Patent:US 2451084
Title:Locking and resetting means for counters
Date:12.10.1948
Place:Milwaukee, WI
Country:USA
Person:Hennessy, Mark M.
Company:Durant (P) Mfg. Co.
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Link to the patent office:
(without guarantee)
 US2451084 (espacenet),  US2451084 (uspto)


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