KR890001212U - 박경판 내부 개재물 검사장치 - Google Patents
박경판 내부 개재물 검사장치Info
- Publication number
- KR890001212U KR890001212U KR2019870008880U KR870008880U KR890001212U KR 890001212 U KR890001212 U KR 890001212U KR 2019870008880 U KR2019870008880 U KR 2019870008880U KR 870008880 U KR870008880 U KR 870008880U KR 890001212 U KR890001212 U KR 890001212U
- Authority
- KR
- South Korea
- Prior art keywords
- inclusions
- thin plate
- inspection device
- inspection
- thin
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870008880U KR900006588Y1 (ko) | 1987-06-02 | 1987-06-02 | 박경판 내부 개재물 검사장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870008880U KR900006588Y1 (ko) | 1987-06-02 | 1987-06-02 | 박경판 내부 개재물 검사장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890001212U true KR890001212U (ko) | 1989-03-17 |
KR900006588Y1 KR900006588Y1 (ko) | 1990-07-26 |
Family
ID=19263746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870008880U KR900006588Y1 (ko) | 1987-06-02 | 1987-06-02 | 박경판 내부 개재물 검사장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900006588Y1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101274528B1 (ko) * | 2011-05-27 | 2013-06-13 | 동의대학교 산학협력단 | 자분 탐상 장치 |
-
1987
- 1987-06-02 KR KR2019870008880U patent/KR900006588Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900006588Y1 (ko) | 1990-07-26 |
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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 | ||
FPAY | Annual fee payment |
Payment date: 19960704 Year of fee payment: 7 |
|
LAPS | Lapse due to unpaid annual fee |