CA645797A - Record material sensing means - Google Patents

Record material sensing means

Info

Publication number
CA645797A
CA645797A CA645797A CA645797DA CA645797A CA 645797 A CA645797 A CA 645797A CA 645797 A CA645797 A CA 645797A CA 645797D A CA645797D A CA 645797DA CA 645797 A CA645797 A CA 645797A
Authority
CA
Canada
Prior art keywords
sensing means
record material
material sensing
record
sensing
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
CA645797A
Inventor
Sprick Walter
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 CA645797A publication Critical patent/CA645797A/en
Expired legal-status Critical Current

Links

CA645797A Record material sensing means Expired CA645797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA645797T

Publications (1)

Publication Number Publication Date
CA645797A true CA645797A (en) 1962-07-31

Family

ID=35934453

Family Applications (1)

Application Number Title Priority Date Filing Date
CA645797A Expired CA645797A (en) Record material sensing means

Country Status (1)

Country Link
CA (1) CA645797A (en)

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