CA164949A - Ecran pour machines a projections - Google Patents

Ecran pour machines a projections

Info

Publication number
CA164949A
CA164949A CA000164949A CA164949DA CA164949A CA 164949 A CA164949 A CA 164949A CA 000164949 A CA000164949 A CA 000164949A CA 164949D A CA164949D A CA 164949DA CA 164949 A CA164949 A CA 164949A
Authority
CA
Canada
Prior art keywords
screen
projecting machines
machines
projecting
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
CA000164949A
Other languages
English (en)
Inventor
John Frederick Robert Troeger
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA164949A publication Critical patent/CA164949A/fr
Expired legal-status Critical Current

Links

CA000164949A 1915-06-07 1915-06-07 Ecran pour machines a projections Expired CA164949A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA164949T 1915-06-07

Publications (1)

Publication Number Publication Date
CA164949A true CA164949A (fr) 1915-09-14

Family

ID=45284629

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000164949A Expired CA164949A (fr) 1915-06-07 1915-06-07 Ecran pour machines a projections

Country Status (1)

Country Link
CA (1) CA164949A (fr)

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