Patent:US1507253

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Patent:US 1507253
Title:Calculating machine
Date:02.09.1924
Place:Berlin
Country:USA
Person:Schuster, Ernst (P)
Company:
Internal Links:Berolina, Duplicator
Keywords:
Link to the patent office:
(without guarantee)
 US1507253 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1507253) (espacenet),  US1507253 (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=1507253.PN.&OS=PN/1507253&RS=PN/1507253) (uspto)


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