CA490711A - Crayon mecanique - Google Patents

Crayon mecanique

Info

Publication number
CA490711A
CA490711A CA490711A CA490711DA CA490711A CA 490711 A CA490711 A CA 490711A CA 490711 A CA490711 A CA 490711A CA 490711D A CA490711D A CA 490711DA CA 490711 A CA490711 A CA 490711A
Authority
CA
Canada
Prior art keywords
mechanical pencil
pencil
mechanical
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
CA490711A
Other languages
English (en)
Inventor
Carlos Pedro Valsecchi Arduino
Jorge Juan
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 CA490711A publication Critical patent/CA490711A/fr
Expired legal-status Critical Current

Links

CA490711A Crayon mecanique Expired CA490711A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490711T

Publications (1)

Publication Number Publication Date
CA490711A true CA490711A (fr) 1953-02-24

Family

ID=35630448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490711A Expired CA490711A (fr) Crayon mecanique

Country Status (1)

Country Link
CA (1) CA490711A (fr)

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