CH78728A - Device for drawing cards used to monitor working hours - Google Patents

Device for drawing cards used to monitor working hours

Info

Publication number
CH78728A
CH78728A CH78728A CH78728DA CH78728A CH 78728 A CH78728 A CH 78728A CH 78728 A CH78728 A CH 78728A CH 78728D A CH78728D A CH 78728DA CH 78728 A CH78728 A CH 78728A
Authority
CH
Switzerland
Prior art keywords
working hours
cards used
drawing cards
monitor working
monitor
Prior art date
Application number
CH78728A
Other languages
German (de)
Inventor
Aktien-Gesellschaft Sie Halske
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH78728A publication Critical patent/CH78728A/en

Links

CH78728A 1917-12-03 1917-12-03 Device for drawing cards used to monitor working hours CH78728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH78728T 1917-12-03

Publications (1)

Publication Number Publication Date
CH78728A true CH78728A (en) 1919-01-16

Family

ID=4331685

Family Applications (1)

Application Number Title Priority Date Filing Date
CH78728A CH78728A (en) 1917-12-03 1917-12-03 Device for drawing cards used to monitor working hours

Country Status (1)

Country Link
CH (1) CH78728A (en)

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