FR893720A - Rule to be drawn - Google Patents

Rule to be drawn

Info

Publication number
FR893720A
FR893720A FR893720DA FR893720A FR 893720 A FR893720 A FR 893720A FR 893720D A FR893720D A FR 893720DA FR 893720 A FR893720 A FR 893720A
Authority
FR
France
Prior art keywords
rule
drawn
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
Other languages
French (fr)
Inventor
Endel Kello
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 filed Critical
Application granted granted Critical
Publication of FR893720A publication Critical patent/FR893720A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • 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
    • B43L7/00—Straightedges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
FR893720D 1942-10-02 1943-04-30 Rule to be drawn Expired FR893720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1382942A GB561518A (en) 1942-10-02 1942-10-02 Improvements in rulers

Publications (1)

Publication Number Publication Date
FR893720A true FR893720A (en) 1944-10-24

Family

ID=10030120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893720D Expired FR893720A (en) 1942-10-02 1943-04-30 Rule to be drawn

Country Status (2)

Country Link
FR (1) FR893720A (en)
GB (1) GB561518A (en)

Also Published As

Publication number Publication date
GB561518A (en) 1944-05-23

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