KR920014112U - 전화기에 설치된 전자계산기 삽탈장치 - Google Patents
전화기에 설치된 전자계산기 삽탈장치Info
- Publication number
- KR920014112U KR920014112U KR2019900021927U KR900021927U KR920014112U KR 920014112 U KR920014112 U KR 920014112U KR 2019900021927 U KR2019900021927 U KR 2019900021927U KR 900021927 U KR900021927 U KR 900021927U KR 920014112 U KR920014112 U KR 920014112U
- Authority
- KR
- South Korea
- Prior art keywords
- telephone
- device installed
- detachment device
- electronic calculator
- calculator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Calculators And Similar Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900021927U KR930007344Y1 (ko) | 1990-12-31 | 1990-12-31 | 전화기에 설치된 전자계산기 삽탈장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900021927U KR930007344Y1 (ko) | 1990-12-31 | 1990-12-31 | 전화기에 설치된 전자계산기 삽탈장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920014112U true KR920014112U (ko) | 1992-07-27 |
KR930007344Y1 KR930007344Y1 (ko) | 1993-10-18 |
Family
ID=19308577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900021927U KR930007344Y1 (ko) | 1990-12-31 | 1990-12-31 | 전화기에 설치된 전자계산기 삽탈장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930007344Y1 (ko) |
-
1990
- 1990-12-31 KR KR2019900021927U patent/KR930007344Y1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR930007344Y1 (ko) | 1993-10-18 |
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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 |