Patent:US1386876

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Patent:US 1386876
Title:Planimeter Guide
Date:09.08.1921
Place:
Country:USA
Person:J. J. Kerr
Company:
Internal Links:Planimeter
Keywords:
Link to the patent office:
(without guarantee)
 US1386876 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1386876) (espacenet),  US1386876 (http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/FPTO/srchnum.htm&r=1&f=G&l=50&s1=1386876.PN.&OS=PN/1386876&RS=PN/1386876) (uspto)


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