Patent:US1287218

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Patent:US 1287218
Title:Calculating machine
Date:10.12.1918
Place:Chicago und New York
Country:USA
Person:Carlin, Samuel E. (P)
Company:Underwood (P) Computing Machine Comp.
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Link to the patent office:
(without guarantee)
 US1287218 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1287218) (espacenet),  US1287218 (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=1287218.PN.&OS=PN/1287218&RS=PN/1287218) (uspto)


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