CA469619A - Dispositifs optiques de projection pour machines-outils - Google Patents

Dispositifs optiques de projection pour machines-outils

Info

Publication number
CA469619A
CA469619A CA469619A CA469619DA CA469619A CA 469619 A CA469619 A CA 469619A CA 469619 A CA469619 A CA 469619A CA 469619D A CA469619D A CA 469619DA CA 469619 A CA469619 A CA 469619A
Authority
CA
Canada
Prior art keywords
viewers
machine tools
optical projection
projection
optical
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
CA469619A
Other languages
English (en)
Inventor
Banko George
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 CA469619A publication Critical patent/CA469619A/fr
Expired legal-status Critical Current

Links

CA469619A Dispositifs optiques de projection pour machines-outils Expired CA469619A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA469619T

Publications (1)

Publication Number Publication Date
CA469619A true CA469619A (fr) 1950-11-28

Family

ID=35603557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA469619A Expired CA469619A (fr) Dispositifs optiques de projection pour machines-outils

Country Status (1)

Country Link
CA (1) CA469619A (fr)

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