KR870012200U - Protractor - Google Patents

Protractor

Info

Publication number
KR870012200U
KR870012200U KR2019860000224U KR860000224U KR870012200U KR 870012200 U KR870012200 U KR 870012200U KR 2019860000224 U KR2019860000224 U KR 2019860000224U KR 860000224 U KR860000224 U KR 860000224U KR 870012200 U KR870012200 U KR 870012200U
Authority
KR
South Korea
Prior art keywords
protractor
Prior art date
Application number
KR2019860000224U
Other languages
Korean (ko)
Other versions
KR880004130Y1 (en
Inventor
이익주
Original Assignee
이익주
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 이익주 filed Critical 이익주
Priority to KR2019860000224U priority Critical patent/KR880004130Y1/en
Publication of KR870012200U publication Critical patent/KR870012200U/en
Application granted granted Critical
Publication of KR880004130Y1 publication Critical patent/KR880004130Y1/en

Links

Classifications

    • 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
    • B43L7/005—Straightedges combined with other drawing aids
    • 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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/08—Protractor heads
KR2019860000224U 1986-01-13 1986-01-13 A ruler with graduator KR880004130Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860000224U KR880004130Y1 (en) 1986-01-13 1986-01-13 A ruler with graduator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860000224U KR880004130Y1 (en) 1986-01-13 1986-01-13 A ruler with graduator

Publications (2)

Publication Number Publication Date
KR870012200U true KR870012200U (en) 1987-08-03
KR880004130Y1 KR880004130Y1 (en) 1988-11-18

Family

ID=19248035

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860000224U KR880004130Y1 (en) 1986-01-13 1986-01-13 A ruler with graduator

Country Status (1)

Country Link
KR (1) KR880004130Y1 (en)

Also Published As

Publication number Publication date
KR880004130Y1 (en) 1988-11-18

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee