Patent:US2719671

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Patent:US 2719671
Title:Electrical calculating systems
Date:04.10.1955
Place:
Country:USA
Person:Valdemar Larsen Fridthiof Osca
Company:Duba Ab
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2719671 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US2719671) (espacenet),  US2719671 (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=2719671.PN.&OS=PN/2719671&RS=PN/2719671) (uspto)


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