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Patent:US3120924


Patent:US 3120924
Title:Combined Marking and Counting Instrument
Date:11.02.1964
Place:
Country:USA
Person:R. L. van de Mark
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US3120924 (espacenet),  US3120924 (uspto)


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Aus der Patentschrift US3120924