Patent:US1876294

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Patent:US 1876294
Title:Calculating Machine
Date:06.09.1932
Place:
Country:USA
Person:R. Hofgaard
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1876294 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1876294) (espacenet),  US1876294 (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=1876294.PN.&OS=PN/1876294&RS=PN/1876294) (uspto)


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