JPS50148025A - - Google Patents

Info

Publication number
JPS50148025A
JPS50148025A JP49055661A JP5566174A JPS50148025A JP S50148025 A JPS50148025 A JP S50148025A JP 49055661 A JP49055661 A JP 49055661A JP 5566174 A JP5566174 A JP 5566174A JP S50148025 A JPS50148025 A JP S50148025A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP49055661A
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 filed Critical
Priority to JP49055661A priority Critical patent/JPS50148025A/ja
Publication of JPS50148025A publication Critical patent/JPS50148025A/ja
Pending legal-status Critical Current

Links

JP49055661A 1974-05-20 1974-05-20 Pending JPS50148025A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP49055661A JPS50148025A (ja) 1974-05-20 1974-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49055661A JPS50148025A (ja) 1974-05-20 1974-05-20

Publications (1)

Publication Number Publication Date
JPS50148025A true JPS50148025A (ja) 1975-11-27

Family

ID=13005016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49055661A Pending JPS50148025A (ja) 1974-05-20 1974-05-20

Country Status (1)

Country Link
JP (1) JPS50148025A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103966U (ja) * 1983-12-21 1985-07-16 株式会社学習研究社 実物投影機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748384A (en) * 1972-01-17 1973-07-24 O Tv Inc Closed circuit television prompting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748384A (en) * 1972-01-17 1973-07-24 O Tv Inc Closed circuit television prompting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103966U (ja) * 1983-12-21 1985-07-16 株式会社学習研究社 実物投影機
JPH0332133Y2 (ja) * 1983-12-21 1991-07-08

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