Patent:US2727684

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Brevetto:US 2727684
Titolo:Calculating machines controlled by statistical record cards
Data:20.12.1955
Luogo:
Nazione:Stati Uniti
Persona:Raymond Eden Reginald
Ditta:Powers Samas Account Mach Ltd
Link interni:
Keywords:
Link al brevetto:
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 US2727684 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US2727684) (espacenet),  US2727684 (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=2727684.PN.&OS=PN/2727684&RS=PN/2727684) (uspto)


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Ultima modifica il 12:34, 3. Gen 2010.