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CA432052A - Crayon a mines multiples - Google Patents

Crayon a mines multiples

Info

Publication number
CA432052A
CA432052A CA432052A CA432052DA CA432052A CA 432052 A CA432052 A CA 432052A CA 432052 A CA432052 A CA 432052A CA 432052D A CA432052D A CA 432052DA CA 432052 A CA432052 A CA 432052A
Authority
CA
Canada
Prior art keywords
multiple lead
lead pencil
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
CA432052A
Other languages
English (en)
Inventor
Neidlein Leonard
Rohm Robert
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.)
NORBERT BERNHEIMER
Original Assignee
NORBERT BERNHEIMER
Publication date
Application granted granted Critical
Publication of CA432052A publication Critical patent/CA432052A/fr
Expired legal-status Critical Current

Links

CA432052A Crayon a mines multiples Expired CA432052A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA432052T

Publications (1)

Publication Number Publication Date
CA432052A true CA432052A (fr) 1945-12-18

Family

ID=35547101

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432052A Expired CA432052A (fr) Crayon a mines multiples

Country Status (1)

Country Link
CA (1) CA432052A (fr)

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