CA439721A - Instrument a dessin - Google Patents

Instrument a dessin

Info

Publication number
CA439721A
CA439721A CA439721A CA439721DA CA439721A CA 439721 A CA439721 A CA 439721A CA 439721 A CA439721 A CA 439721A CA 439721D A CA439721D A CA 439721DA CA 439721 A CA439721 A CA 439721A
Authority
CA
Canada
Prior art keywords
drafting instrument
drafting
instrument
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
CA439721A
Other languages
English (en)
Inventor
Waldman Aaron
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 CA439721A publication Critical patent/CA439721A/fr
Expired legal-status Critical Current

Links

CA439721A Instrument a dessin Expired CA439721A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA439721T

Publications (1)

Publication Number Publication Date
CA439721A true CA439721A (fr) 1947-02-18

Family

ID=35554955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA439721A Expired CA439721A (fr) Instrument a dessin

Country Status (1)

Country Link
CA (1) CA439721A (fr)

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