CA511549A - Systeme de projection par comparaison optique - Google Patents

Systeme de projection par comparaison optique

Info

Publication number
CA511549A
CA511549A CA511549A CA511549DA CA511549A CA 511549 A CA511549 A CA 511549A CA 511549 A CA511549 A CA 511549A CA 511549D A CA511549D A CA 511549DA CA 511549 A CA511549 A CA 511549A
Authority
CA
Canada
Prior art keywords
projection system
optical comparison
comparison projection
optical
projection
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
CA511549A
Other languages
English (en)
Inventor
W. Jenkins John
C. Fleming-Williams Brian
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.)
AC Cossor Ltd
Original Assignee
AC Cossor Ltd
Publication date
Application granted granted Critical
Publication of CA511549A publication Critical patent/CA511549A/fr
Expired legal-status Critical Current

Links

CA511549A Systeme de projection par comparaison optique Expired CA511549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA511549T

Publications (1)

Publication Number Publication Date
CA511549A true CA511549A (fr) 1955-04-05

Family

ID=35662616

Family Applications (1)

Application Number Title Priority Date Filing Date
CA511549A Expired CA511549A (fr) Systeme de projection par comparaison optique

Country Status (1)

Country Link
CA (1) CA511549A (fr)

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