KR890012807U - T맞대기 용접용 백킹 - Google Patents

T맞대기 용접용 백킹

Info

Publication number
KR890012807U
KR890012807U KR2019870021925U KR870021925U KR890012807U KR 890012807 U KR890012807 U KR 890012807U KR 2019870021925 U KR2019870021925 U KR 2019870021925U KR 870021925 U KR870021925 U KR 870021925U KR 890012807 U KR890012807 U KR 890012807U
Authority
KR
South Korea
Prior art keywords
butt welding
welding backing
backing
butt
welding
Prior art date
Application number
KR2019870021925U
Other languages
English (en)
Other versions
KR900005841Y1 (ko
Inventor
최창식
Original Assignee
대우조선공업 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 대우조선공업 주식회사 filed Critical 대우조선공업 주식회사
Priority to KR2019870021925U priority Critical patent/KR900005841Y1/ko
Publication of KR890012807U publication Critical patent/KR890012807U/ko
Application granted granted Critical
Publication of KR900005841Y1 publication Critical patent/KR900005841Y1/ko

Links

KR2019870021925U 1987-12-11 1987-12-11 T맞대기 용접용 백킹 KR900005841Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870021925U KR900005841Y1 (ko) 1987-12-11 1987-12-11 T맞대기 용접용 백킹

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870021925U KR900005841Y1 (ko) 1987-12-11 1987-12-11 T맞대기 용접용 백킹

Publications (2)

Publication Number Publication Date
KR890012807U true KR890012807U (ko) 1989-08-07
KR900005841Y1 KR900005841Y1 (ko) 1990-06-30

Family

ID=19270291

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870021925U KR900005841Y1 (ko) 1987-12-11 1987-12-11 T맞대기 용접용 백킹

Country Status (1)

Country Link
KR (1) KR900005841Y1 (ko)

Also Published As

Publication number Publication date
KR900005841Y1 (ko) 1990-06-30

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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
FPAY Annual fee payment

Payment date: 19990612

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee