KR900018871U - 이중 안전장치를 가진 도어록 - Google Patents

이중 안전장치를 가진 도어록

Info

Publication number
KR900018871U
KR900018871U KR2019890004079U KR890004079U KR900018871U KR 900018871 U KR900018871 U KR 900018871U KR 2019890004079 U KR2019890004079 U KR 2019890004079U KR 890004079 U KR890004079 U KR 890004079U KR 900018871 U KR900018871 U KR 900018871U
Authority
KR
South Korea
Prior art keywords
door lock
safety device
double safety
double
door
Prior art date
Application number
KR2019890004079U
Other languages
English (en)
Inventor
홍연이
Original Assignee
홍연이
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 홍연이 filed Critical 홍연이
Priority to KR2019890004079U priority Critical patent/KR900018871U/ko
Publication of KR900018871U publication Critical patent/KR900018871U/ko

Links

KR2019890004079U 1989-04-01 1989-04-01 이중 안전장치를 가진 도어록 KR900018871U (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890004079U KR900018871U (ko) 1989-04-01 1989-04-01 이중 안전장치를 가진 도어록

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890004079U KR900018871U (ko) 1989-04-01 1989-04-01 이중 안전장치를 가진 도어록

Publications (1)

Publication Number Publication Date
KR900018871U true KR900018871U (ko) 1990-11-08

Family

ID=70169432

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890004079U KR900018871U (ko) 1989-04-01 1989-04-01 이중 안전장치를 가진 도어록

Country Status (1)

Country Link
KR (1) KR900018871U (ko)

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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