Patent:US3392269

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Patent:US 3392269
Title:Calculating Machine
Date:09.07.1968
Place:
Country:USA
Person:George Lloyd John, Norbert Kitz, John Drage James
Company:Bell Punch (P)
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Keywords:
Link to the patent office:
(without guarantee)
 US3392269 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US3392269) (espacenet),  US3392269 (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=3392269.PN.&OS=PN/3392269&RS=PN/3392269) (uspto)


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