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Patent:US2152171


Patent:US 2152171
Title:Governor
Date:28.03.1939
Place:
Country:USA
Person:Avery, Harold (P)
Company:Marchant (P)
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2152171 (espacenet),  US2152171 (uspto)


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Aus der Patentschrift US2152171