IT1149362B - Perfezionamento negli strumenti da disegno - Google Patents

Perfezionamento negli strumenti da disegno

Info

Publication number
IT1149362B
IT1149362B IT49166/82A IT4916682A IT1149362B IT 1149362 B IT1149362 B IT 1149362B IT 49166/82 A IT49166/82 A IT 49166/82A IT 4916682 A IT4916682 A IT 4916682A IT 1149362 B IT1149362 B IT 1149362B
Authority
IT
Italy
Prior art keywords
improvement
drawing tools
tools
Prior art date
Application number
IT49166/82A
Other languages
English (en)
Other versions
IT8249166A0 (it
Inventor
Clive Walter Warwicker
Original Assignee
Helix International Ltd
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 Helix International Ltd filed Critical Helix International Ltd
Publication of IT8249166A0 publication Critical patent/IT8249166A0/it
Application granted granted Critical
Publication of IT1149362B publication Critical patent/IT1149362B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/16—Features common to compasses, dividers, and callipers
IT49166/82A 1981-09-25 1982-09-24 Perfezionamento negli strumenti da disegno IT1149362B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8129685 1981-09-25

Publications (2)

Publication Number Publication Date
IT8249166A0 IT8249166A0 (it) 1982-09-24
IT1149362B true IT1149362B (it) 1986-12-03

Family

ID=10524876

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49166/82A IT1149362B (it) 1981-09-25 1982-09-24 Perfezionamento negli strumenti da disegno

Country Status (4)

Country Link
AU (1) AU8858282A (it)
FR (1) FR2513574A1 (it)
IT (1) IT1149362B (it)
ZA (1) ZA827016B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU645829B2 (en) * 1990-08-21 1994-01-27 Sean William Rainey Writing and drafting apparatus

Also Published As

Publication number Publication date
AU8858282A (en) 1983-03-31
IT8249166A0 (it) 1982-09-24
FR2513574A1 (fr) 1983-04-01
ZA827016B (en) 1983-07-27

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