CA677988A - Thermographic copying machine - Google Patents

Thermographic copying machine

Info

Publication number
CA677988A
CA677988A CA677988A CA677988DA CA677988A CA 677988 A CA677988 A CA 677988A CA 677988 A CA677988 A CA 677988A CA 677988D A CA677988D A CA 677988DA CA 677988 A CA677988 A CA 677988A
Authority
CA
Canada
Prior art keywords
copying machine
thermographic copying
thermographic
machine
copying
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
CA677988A
Inventor
A. Gravelle John
A. Halberg Robert
W. Ulseth John
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA677988A publication Critical patent/CA677988A/en
Expired legal-status Critical Current

Links

CA677988A Thermographic copying machine Expired CA677988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA677988T

Publications (1)

Publication Number Publication Date
CA677988A true CA677988A (en) 1964-01-14

Family

ID=35979073

Family Applications (1)

Application Number Title Priority Date Filing Date
CA677988A Expired CA677988A (en) Thermographic copying machine

Country Status (1)

Country Link
CA (1) CA677988A (en)

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