KR900006763A - Digital protractor - Google Patents

Digital protractor

Info

Publication number
KR900006763A
KR900006763A KR1019880013678A KR880013678A KR900006763A KR 900006763 A KR900006763 A KR 900006763A KR 1019880013678 A KR1019880013678 A KR 1019880013678A KR 880013678 A KR880013678 A KR 880013678A KR 900006763 A KR900006763 A KR 900006763A
Authority
KR
South Korea
Prior art keywords
digital protractor
protractor
digital
Prior art date
Application number
KR1019880013678A
Other languages
Korean (ko)
Other versions
KR910005774B1 (en
Inventor
신종섭
Original Assignee
삼성항공산업 주식회사
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 삼성항공산업 주식회사 filed Critical 삼성항공산업 주식회사
Priority to KR1019880013678A priority Critical patent/KR910005774B1/en
Publication of KR900006763A publication Critical patent/KR900006763A/en
Application granted granted Critical
Publication of KR910005774B1 publication Critical patent/KR910005774B1/en

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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
KR1019880013678A 1988-10-20 1988-10-20 Digital graduator KR910005774B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880013678A KR910005774B1 (en) 1988-10-20 1988-10-20 Digital graduator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880013678A KR910005774B1 (en) 1988-10-20 1988-10-20 Digital graduator

Publications (2)

Publication Number Publication Date
KR900006763A true KR900006763A (en) 1990-05-08
KR910005774B1 KR910005774B1 (en) 1991-08-03

Family

ID=19278617

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880013678A KR910005774B1 (en) 1988-10-20 1988-10-20 Digital graduator

Country Status (1)

Country Link
KR (1) KR910005774B1 (en)

Also Published As

Publication number Publication date
KR910005774B1 (en) 1991-08-03

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19961231

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee