CA104033A - Crayon de mine de plomb - Google Patents

Crayon de mine de plomb

Info

Publication number
CA104033A
CA104033A CA000104033A CA104033DA CA104033A CA 104033 A CA104033 A CA 104033A CA 000104033 A CA000104033 A CA 000104033A CA 104033D A CA104033D A CA 104033DA CA 104033 A CA104033 A CA 104033A
Authority
CA
Canada
Prior art keywords
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
CA000104033A
Other languages
English (en)
Inventor
Eduard Penkala
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA104033A publication Critical patent/CA104033A/fr
Expired legal-status Critical Current

Links

CA000104033A 1906-11-24 1906-11-24 Crayon de mine de plomb Expired CA104033A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA104033T 1906-11-24

Publications (1)

Publication Number Publication Date
CA104033A true CA104033A (fr) 1907-03-12

Family

ID=45223761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000104033A Expired CA104033A (fr) 1906-11-24 1906-11-24 Crayon de mine de plomb

Country Status (1)

Country Link
CA (1) CA104033A (fr)

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