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FR971150A - Ruler for typist - Google Patents

Ruler for typist

Info

Publication number
FR971150A
FR971150A FR971150DA FR971150A FR 971150 A FR971150 A FR 971150A FR 971150D A FR971150D A FR 971150DA FR 971150 A FR971150 A FR 971150A
Authority
FR
France
Prior art keywords
typist
ruler
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
Raymond Valck
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 FR971150A publication Critical patent/FR971150A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/42—Scales and indicators, e.g. for determining side margins
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR971150D 1948-09-08 1948-09-08 Ruler for typist Expired FR971150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971150T 1948-09-08

Publications (1)

Publication Number Publication Date
FR971150A true FR971150A (en) 1951-01-12

Family

ID=9511120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971150D Expired FR971150A (en) 1948-09-08 1948-09-08 Ruler for typist

Country Status (1)

Country Link
FR (1) FR971150A (en)

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