CA414753A - Tableau noir - Google Patents

Tableau noir

Info

Publication number
CA414753A
CA414753A CA414753A CA414753DA CA414753A CA 414753 A CA414753 A CA 414753A CA 414753 A CA414753 A CA 414753A CA 414753D A CA414753D A CA 414753DA CA 414753 A CA414753 A CA 414753A
Authority
CA
Canada
Prior art keywords
blackboard
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
CA414753A
Other languages
English (en)
Inventor
R. Kolowsky Leon
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.)
WEBER COSTELLO Co
Original Assignee
WEBER COSTELLO Co
Publication date
Application granted granted Critical
Publication of CA414753A publication Critical patent/CA414753A/fr
Expired legal-status Critical Current

Links

CA414753A Tableau noir Expired CA414753A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA414753T

Publications (1)

Publication Number Publication Date
CA414753A true CA414753A (fr) 1943-08-24

Family

ID=35523947

Family Applications (1)

Application Number Title Priority Date Filing Date
CA414753A Expired CA414753A (fr) Tableau noir

Country Status (1)

Country Link
CA (1) CA414753A (fr)

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