Patent:GB175295

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Patent:GB 175295
Title:Improvements in Planimeters
Date:14.05.1923
Place:
Country:Great Britain
Person:Wolf, Ferdinand (P)
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 GB175295 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=GB175295)


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