Patent:US1081172

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Patent:US 1081172
Title:Calculating m machine
Date:09.12.1913
Place:Brunswick
Country:USA
Person:Trinks, Franz (P)
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US1081172 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1081172) (espacenet),  US1081172 (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=1081172.PN.&OS=PN/1081172&RS=PN/1081172) (uspto)


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