FR514544A - Calculator - Google Patents

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Publication number
FR514544A
FR514544A FR514544DA FR514544A FR 514544 A FR514544 A FR 514544A FR 514544D A FR514544D A FR 514544DA FR 514544 A FR514544 A FR 514544A
Authority
FR
France
Prior art keywords
calculator
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)
Inventor
Cheng Wen Chih
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.)
CHENG WEN CHIH
Original Assignee
CHENG WEN CHIH
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 CHENG WEN CHIH filed Critical CHENG WEN CHIH
Application granted granted Critical
Publication of FR514544A publication Critical patent/FR514544A/en
Expired legal-status Critical Current

Links

FR514544D 1920-04-27 1920-04-27 Calculator Expired FR514544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR514544T 1920-04-27

Publications (1)

Publication Number Publication Date
FR514544A true FR514544A (en) 1921-03-12

Family

ID=43352337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR514544D Expired FR514544A (en) 1920-04-27 1920-04-27 Calculator

Country Status (1)

Country Link
FR (1) FR514544A (en)

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