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FR521169A - Improvements to calculating machines - Google Patents

Improvements to calculating machines

Info

Publication number
FR521169A
FR521169A FR521169DA FR521169A FR 521169 A FR521169 A FR 521169A FR 521169D A FR521169D A FR 521169DA FR 521169 A FR521169 A FR 521169A
Authority
FR
France
Prior art keywords
calculating machines
machines
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Felt & Tarrant Manufacturing Co
Original Assignee
Felt & Tarrant Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Felt & Tarrant Manufacturing Co filed Critical Felt & Tarrant Manufacturing Co
Application granted granted Critical
Publication of FR521169A publication Critical patent/FR521169A/en
Expired legal-status Critical Current

Links

FR521169D 1918-05-01 1920-07-10 Improvements to calculating machines Expired FR521169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US521169XA 1918-05-01 1918-05-01

Publications (1)

Publication Number Publication Date
FR521169A true FR521169A (en) 1921-07-07

Family

ID=43352478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521169D Expired FR521169A (en) 1918-05-01 1920-07-10 Improvements to calculating machines

Country Status (1)

Country Link
FR (1) FR521169A (en)

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