JPS575076A - Hearing training aid - Google Patents

Hearing training aid

Info

Publication number
JPS575076A
JPS575076A JP7903780A JP7903780A JPS575076A JP S575076 A JPS575076 A JP S575076A JP 7903780 A JP7903780 A JP 7903780A JP 7903780 A JP7903780 A JP 7903780A JP S575076 A JPS575076 A JP S575076A
Authority
JP
Japan
Prior art keywords
training aid
hearing training
hearing
aid
training
Prior art date
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
JP7903780A
Other languages
Japanese (ja)
Inventor
Tatsuo Baba
Kazumasa Ooiso
Hiroshi Fukushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7903780A priority Critical patent/JPS575076A/en
Publication of JPS575076A publication Critical patent/JPS575076A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
JP7903780A 1980-06-13 1980-06-13 Hearing training aid Pending JPS575076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7903780A JPS575076A (en) 1980-06-13 1980-06-13 Hearing training aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7903780A JPS575076A (en) 1980-06-13 1980-06-13 Hearing training aid

Publications (1)

Publication Number Publication Date
JPS575076A true JPS575076A (en) 1982-01-11

Family

ID=13678711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7903780A Pending JPS575076A (en) 1980-06-13 1980-06-13 Hearing training aid

Country Status (1)

Country Link
JP (1) JPS575076A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63159044A (en) * 1986-12-23 1988-07-01 日立化成工業株式会社 Manufacture of ultraviolet untransmitting substrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63159044A (en) * 1986-12-23 1988-07-01 日立化成工業株式会社 Manufacture of ultraviolet untransmitting substrate

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