DEP0055649DA - Cutting device on punched card evaluation machines for the production of line marks - Google Patents

Cutting device on punched card evaluation machines for the production of line marks

Info

Publication number: DEP0055649DA
Authority: DE; Germany
Prior art keywords: production; cutting device; line marks; punched card; card evaluation
Prior art date: 1950-10-12
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

Inventor

Christian Trautwein

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.)

IBM Deutschland Internationale Bueromaschinen GmbH

Original Assignee

IBM Deutschland Internationale Bueromaschinen GmbH

Publication date

1950-10-12

Description

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Family

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