CA279722A - Ecran a projections - Google Patents

Ecran a projections

Info

Publication number
CA279722A
CA279722A CA279722A CA279722DA CA279722A CA 279722 A CA279722 A CA 279722A CA 279722 A CA279722 A CA 279722A CA 279722D A CA279722D A CA 279722DA CA 279722 A CA279722 A CA 279722A
Authority
CA
Canada
Prior art keywords
screen projection
projection
screen
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
CA279722A
Other languages
English (en)
Inventor
Delbrouck Georges
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA279722A publication Critical patent/CA279722A/fr
Expired legal-status Critical Current

Links

CA279722A Ecran a projections Expired CA279722A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA279722T

Publications (1)

Publication Number Publication Date
CA279722A true CA279722A (fr) 1928-05-01

Family

ID=35212814

Family Applications (1)

Application Number Title Priority Date Filing Date
CA279722A Expired CA279722A (fr) Ecran a projections

Country Status (1)

Country Link
CA (1) CA279722A (fr)

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