CA402275A - Methode a mesurer la visibilite - Google Patents

Methode a mesurer la visibilite

Info

Publication number
CA402275A
CA402275A CA402275A CA402275DA CA402275A CA 402275 A CA402275 A CA 402275A CA 402275 A CA402275 A CA 402275A CA 402275D A CA402275D A CA 402275DA CA 402275 A CA402275 A CA 402275A
Authority
CA
Canada
Prior art keywords
measuring method
visibility measuring
visibility
measuring
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
CA402275A
Other languages
English (en)
Inventor
Neufeld Jacob
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 CA402275A publication Critical patent/CA402275A/fr
Expired legal-status Critical Current

Links

CA402275A Methode a mesurer la visibilite Expired CA402275A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA402275T

Publications (1)

Publication Number Publication Date
CA402275A true CA402275A (fr) 1942-01-13

Family

ID=35412721

Family Applications (1)

Application Number Title Priority Date Filing Date
CA402275A Expired CA402275A (fr) Methode a mesurer la visibilite

Country Status (1)

Country Link
CA (1) CA402275A (fr)

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