FR457045A - Perfectionnements aux règles extensibles - Google Patents

Perfectionnements aux règles extensibles

Info

Publication number
FR457045A
FR457045A FR457045DA FR457045A FR 457045 A FR457045 A FR 457045A FR 457045D A FR457045D A FR 457045DA FR 457045 A FR457045 A FR 457045A
Authority
FR
France
Prior art keywords
extensible rules
extensible
rules
rules improvements
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
English (en)
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.)
AMERICAN PATENT SALES Co
Original Assignee
AMERICAN PATENT SALES Co
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 AMERICAN PATENT SALES Co filed Critical AMERICAN PATENT SALES Co
Application granted granted Critical
Publication of FR457045A publication Critical patent/FR457045A/fr
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
    • G01B3/08—Rulers with scales or marks for direct reading rigid extensible

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR457045D 1913-04-01 1913-04-01 Perfectionnements aux règles extensibles Expired FR457045A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR457045T 1913-04-01

Publications (1)

Publication Number Publication Date
FR457045A true FR457045A (fr) 1913-09-10

Family

ID=1496772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457045D Expired FR457045A (fr) 1913-04-01 1913-04-01 Perfectionnements aux règles extensibles

Country Status (1)

Country Link
FR (1) FR457045A (fr)

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