KR890001697U - 헤드폰식 송수화기 - Google Patents
헤드폰식 송수화기Info
- Publication number
- KR890001697U KR890001697U KR2019870010102U KR870010102U KR890001697U KR 890001697 U KR890001697 U KR 890001697U KR 2019870010102 U KR2019870010102 U KR 2019870010102U KR 870010102 U KR870010102 U KR 870010102U KR 890001697 U KR890001697 U KR 890001697U
- Authority
- KR
- South Korea
- Prior art keywords
- headphone
- type handset
- handset
- type
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870010102U KR900004643Y1 (ko) | 1987-06-23 | 1987-06-23 | 헤드폰식 송수화기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870010102U KR900004643Y1 (ko) | 1987-06-23 | 1987-06-23 | 헤드폰식 송수화기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890001697U true KR890001697U (ko) | 1989-03-20 |
KR900004643Y1 KR900004643Y1 (ko) | 1990-05-25 |
Family
ID=19264424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870010102U KR900004643Y1 (ko) | 1987-06-23 | 1987-06-23 | 헤드폰식 송수화기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900004643Y1 (ko) |
-
1987
- 1987-06-23 KR KR2019870010102U patent/KR900004643Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900004643Y1 (ko) | 1990-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
LAPS | Lapse due to unpaid annual fee |