KR890005334U - 다용도 자 - Google Patents

다용도 자

Info

Publication number
KR890005334U
KR890005334U KR2019870013988U KR870013988U KR890005334U KR 890005334 U KR890005334 U KR 890005334U KR 2019870013988 U KR2019870013988 U KR 2019870013988U KR 870013988 U KR870013988 U KR 870013988U KR 890005334 U KR890005334 U KR 890005334U
Authority
KR
South Korea
Prior art keywords
multipurpose ruler
multipurpose
ruler
Prior art date
Application number
KR2019870013988U
Other languages
English (en)
Other versions
KR890006780Y1 (ko
Inventor
이홍주
Original Assignee
이홍주
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 이홍주 filed Critical 이홍주
Priority to KR2019870013988U priority Critical patent/KR890006780Y1/ko
Publication of KR890005334U publication Critical patent/KR890005334U/ko
Application granted granted Critical
Publication of KR890006780Y1 publication Critical patent/KR890006780Y1/ko

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
    • G01B3/06—Rulers with scales or marks for direct reading rigid folding
    • 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
    • G01B3/16—Compasses, i.e. with a pair of pivoted arms
    • G01B3/166—Compasses, i.e. with a pair of pivoted arms provided with a measuring scale
    • 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
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
    • G01B3/563—Protractors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)
KR2019870013988U 1987-08-21 1987-08-21 다용도 자 KR890006780Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870013988U KR890006780Y1 (ko) 1987-08-21 1987-08-21 다용도 자

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870013988U KR890006780Y1 (ko) 1987-08-21 1987-08-21 다용도 자

Publications (2)

Publication Number Publication Date
KR890005334U true KR890005334U (ko) 1989-04-18
KR890006780Y1 KR890006780Y1 (ko) 1989-09-30

Family

ID=19266750

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870013988U KR890006780Y1 (ko) 1987-08-21 1987-08-21 다용도 자

Country Status (1)

Country Link
KR (1) KR890006780Y1 (ko)

Also Published As

Publication number Publication date
KR890006780Y1 (ko) 1989-09-30

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee