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JPS57132388A - Circuit board - Google Patents

Circuit board

Info

Publication number
JPS57132388A
JPS57132388A JP1692881A JP1692881A JPS57132388A JP S57132388 A JPS57132388 A JP S57132388A JP 1692881 A JP1692881 A JP 1692881A JP 1692881 A JP1692881 A JP 1692881A JP S57132388 A JPS57132388 A JP S57132388A
Authority
JP
Japan
Prior art keywords
circuit board
board
circuit
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
JP1692881A
Other languages
Japanese (ja)
Inventor
Nobuo Iwase
Hiroshi Oohira
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP1692881A priority Critical patent/JPS57132388A/en
Priority to GB8129797A priority patent/GB2088616B/en
Priority to DE19813139893 priority patent/DE3139893A1/en
Priority to US06/309,754 priority patent/US4450495A/en
Priority to FR8118950A priority patent/FR2492148B1/en
Publication of JPS57132388A publication Critical patent/JPS57132388A/en
Priority to GB08415683A priority patent/GB2140193B/en
Pending legal-status Critical Current

Links

Landscapes

  • Insulated Metal Substrates For Printed Circuits (AREA)
JP1692881A 1980-10-09 1981-02-09 Circuit board Pending JPS57132388A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1692881A JPS57132388A (en) 1981-02-09 1981-02-09 Circuit board
GB8129797A GB2088616B (en) 1980-10-09 1981-10-02 Portable acoustic device
DE19813139893 DE3139893A1 (en) 1980-10-09 1981-10-07 PORTABLE ACOUSTIC DEVICE
US06/309,754 US4450495A (en) 1980-10-09 1981-10-08 Portable acoustic device
FR8118950A FR2492148B1 (en) 1980-10-09 1981-10-08 PORTABLE SOUND APPARATUS
GB08415683A GB2140193B (en) 1980-10-09 1984-06-20 Portable acoustic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1692881A JPS57132388A (en) 1981-02-09 1981-02-09 Circuit board

Publications (1)

Publication Number Publication Date
JPS57132388A true JPS57132388A (en) 1982-08-16

Family

ID=11929787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1692881A Pending JPS57132388A (en) 1980-10-09 1981-02-09 Circuit board

Country Status (1)

Country Link
JP (1) JPS57132388A (en)

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