CA306648A - Production de lumiere durable - Google Patents

Production de lumiere durable

Info

Publication number
CA306648A
CA306648A CA306648A CA306648DA CA306648A CA 306648 A CA306648 A CA 306648A CA 306648 A CA306648 A CA 306648A CA 306648D A CA306648D A CA 306648DA CA 306648 A CA306648 A CA 306648A
Authority
CA
Canada
Prior art keywords
securing
durable light
durable
light
securing durable
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
CA306648A
Other languages
English (en)
Inventor
Claude 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 CA306648A publication Critical patent/CA306648A/fr
Expired legal-status Critical Current

Links

CA306648A Production de lumiere durable Expired CA306648A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306648T

Publications (1)

Publication Number Publication Date
CA306648A true CA306648A (fr) 1930-12-16

Family

ID=35259799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306648A Expired CA306648A (fr) Production de lumiere durable

Country Status (1)

Country Link
CA (1) CA306648A (fr)

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