Patent:US1326564

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Patent:US 1326564
Title:Computing and recording machine
Date:30.12.1919
Place:Grand Rapids und Philadelphia
Country:USA
Person:Barrett, Glenn (P)
Company:Barrett (P) Adding Machine Co.
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Keywords:
Link to the patent office:
(without guarantee)
 US1326564 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1326564) (espacenet),  US1326564 (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=1326564.PN.&OS=PN/1326564&RS=PN/1326564) (uspto)


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