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CA518130A - Porte-copie, appui-livre et indicateur de ligne - Google Patents

Porte-copie, appui-livre et indicateur de ligne

Info

Publication number
CA518130A
CA518130A CA518130A CA518130DA CA518130A CA 518130 A CA518130 A CA 518130A CA 518130 A CA518130 A CA 518130A CA 518130D A CA518130D A CA 518130DA CA 518130 A CA518130 A CA 518130A
Authority
CA
Canada
Prior art keywords
holder
copy
book
line follower
follower
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
CA518130A
Other languages
English (en)
Inventor
B. Abbott Hazel
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 CA518130A publication Critical patent/CA518130A/fr
Expired legal-status Critical Current

Links

CA518130A Porte-copie, appui-livre et indicateur de ligne Expired CA518130A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA518130T

Publications (1)

Publication Number Publication Date
CA518130A true CA518130A (fr) 1955-11-08

Family

ID=35671332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA518130A Expired CA518130A (fr) Porte-copie, appui-livre et indicateur de ligne

Country Status (1)

Country Link
CA (1) CA518130A (fr)

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