KR920014112U - 전화기에 설치된 전자계산기 삽탈장치 - Google Patents

전화기에 설치된 전자계산기 삽탈장치

Info

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
Application number
KR2019900021927U
Other languages
English (en)
Other versions
KR930007344Y1 (ko
Inventor
유해구
Original Assignee
유해구
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 유해구 filed Critical 유해구
Priority to KR2019900021927U priority Critical patent/KR930007344Y1/ko
Publication of KR920014112U publication Critical patent/KR920014112U/ko
Application granted granted Critical
Publication of KR930007344Y1 publication Critical patent/KR930007344Y1/ko

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/21Combinations with auxiliary equipment, e.g. with clocks or memoranda pads

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Calculators And Similar Devices (AREA)
KR2019900021927U 1990-12-31 1990-12-31 전화기에 설치된 전자계산기 삽탈장치 KR930007344Y1 (ko)

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)

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