Patent:US3157353

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Patent:US 3157353
Title:Calculating Machines
Date:17.11.1964
Place:
Country:USA
Person:Toorell, Sture (P)
Company:Facit (P)
Internal Links:reversing motion of rotor assembly in rotary calculator
Keywords:
Link to the patent office:
(without guarantee)
 US3157353 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US3157353) (espacenet),  US3157353 (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=3157353.PN.&OS=PN/3157353&RS=PN/3157353) (uspto)


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