CA442753A - Pencil lead - Google Patents

Pencil lead

Info

Publication number
CA442753A
CA442753A CA442753A CA442753DA CA442753A CA 442753 A CA442753 A CA 442753A CA 442753 A CA442753 A CA 442753A CA 442753D A CA442753D A CA 442753DA CA 442753 A CA442753 A CA 442753A
Authority
CA
Canada
Prior art keywords
pencil lead
pencil
lead
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
CA442753A
Other languages
French (fr)
Inventor
A. Ferst Monie
F. Wysong Charles
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.)
M A FERST
Original Assignee
M A FERST
Publication date
Application granted granted Critical
Publication of CA442753A publication Critical patent/CA442753A/en
Expired legal-status Critical Current

Links

CA442753A Pencil lead Expired CA442753A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442753T

Publications (1)

Publication Number Publication Date
CA442753A true CA442753A (en) 1947-07-08

Family

ID=35557980

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442753A Expired CA442753A (en) Pencil lead

Country Status (1)

Country Link
CA (1) CA442753A (en)

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