FR487298A - Keyboard locking device, for calculating machines - Google Patents

Keyboard locking device, for calculating machines

Info

Publication number
FR487298A
FR487298A FR487298DA FR487298A FR 487298 A FR487298 A FR 487298A FR 487298D A FR487298D A FR 487298DA FR 487298 A FR487298 A FR 487298A
Authority
FR
France
Prior art keywords
locking device
calculating machines
keyboard locking
keyboard
machines
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.)
ADDOMETER CORP
Original Assignee
ADDOMETER CORP
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 ADDOMETER CORP filed Critical ADDOMETER CORP
Application granted granted Critical
Publication of FR487298A publication Critical patent/FR487298A/en
Expired legal-status Critical Current

Links

FR487298D 1917-10-25 1917-10-25 Keyboard locking device, for calculating machines Expired FR487298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487298T 1917-10-25

Publications (1)

Publication Number Publication Date
FR487298A true FR487298A (en) 1918-06-19

Family

ID=43351782

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487298D Expired FR487298A (en) 1917-10-25 1917-10-25 Keyboard locking device, for calculating machines

Country Status (1)

Country Link
FR (1) FR487298A (en)

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