CA479934A - Secondary time keeping apparatus - Google Patents

Secondary time keeping apparatus

Info

Publication number
CA479934A
CA479934A CA479934A CA479934DA CA479934A CA 479934 A CA479934 A CA 479934A CA 479934 A CA479934 A CA 479934A CA 479934D A CA479934D A CA 479934DA CA 479934 A CA479934 A CA 479934A
Authority
CA
Canada
Prior art keywords
time keeping
secondary time
keeping apparatus
time
keeping
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
CA479934A
Other languages
French (fr)
Inventor
B. Johnson Reynold
F. Geiger Edward
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Publication date
Application granted granted Critical
Publication of CA479934A publication Critical patent/CA479934A/en
Expired legal-status Critical Current

Links

CA479934A Secondary time keeping apparatus Expired CA479934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA479934T

Publications (1)

Publication Number Publication Date
CA479934A true CA479934A (en) 1952-01-01

Family

ID=35619607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA479934A Expired CA479934A (en) Secondary time keeping apparatus

Country Status (1)

Country Link
CA (1) CA479934A (en)

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