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Patent:SU1557461


Patent:SU 1557461
Title:Planimeter
Date:15.04.1990
Place:
Country:Sovjet Union
Person:Anatolij Ya. Shenfeld Valentina A. Kandrikina
Company:Le Polt I IM M I Kalinina
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 SU1557461


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