JPS623199U - - Google Patents

Info

Publication number
JPS623199U
JPS623199U JP9471685U JP9471685U JPS623199U JP S623199 U JPS623199 U JP S623199U JP 9471685 U JP9471685 U JP 9471685U JP 9471685 U JP9471685 U JP 9471685U JP S623199 U JPS623199 U JP S623199U
Authority
JP
Japan
Prior art keywords
sound signal
amplifier
warning sound
megaphone
opening
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
JP9471685U
Other languages
English (en)
Japanese (ja)
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 JP9471685U priority Critical patent/JPS623199U/ja
Publication of JPS623199U publication Critical patent/JPS623199U/ja
Pending legal-status Critical Current

Links

JP9471685U 1985-06-22 1985-06-22 Pending JPS623199U (US20050065096A1-20050324-C00069.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9471685U JPS623199U (US20050065096A1-20050324-C00069.png) 1985-06-22 1985-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9471685U JPS623199U (US20050065096A1-20050324-C00069.png) 1985-06-22 1985-06-22

Publications (1)

Publication Number Publication Date
JPS623199U true JPS623199U (US20050065096A1-20050324-C00069.png) 1987-01-09

Family

ID=30653438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9471685U Pending JPS623199U (US20050065096A1-20050324-C00069.png) 1985-06-22 1985-06-22

Country Status (1)

Country Link
JP (1) JPS623199U (US20050065096A1-20050324-C00069.png)

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