JPH0216698U - - Google Patents

Info

Publication number
JPH0216698U
JPH0216698U JP9554888U JP9554888U JPH0216698U JP H0216698 U JPH0216698 U JP H0216698U JP 9554888 U JP9554888 U JP 9554888U JP 9554888 U JP9554888 U JP 9554888U JP H0216698 U JPH0216698 U JP H0216698U
Authority
JP
Japan
Prior art keywords
bell
sensor
amplifying device
bell sound
sound amplifying
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
JP9554888U
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 JP9554888U priority Critical patent/JPH0216698U/ja
Publication of JPH0216698U publication Critical patent/JPH0216698U/ja
Pending legal-status Critical Current

Links

JP9554888U 1988-07-18 1988-07-18 Pending JPH0216698U (US20080293856A1-20081127-C00150.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9554888U JPH0216698U (US20080293856A1-20081127-C00150.png) 1988-07-18 1988-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9554888U JPH0216698U (US20080293856A1-20081127-C00150.png) 1988-07-18 1988-07-18

Publications (1)

Publication Number Publication Date
JPH0216698U true JPH0216698U (US20080293856A1-20081127-C00150.png) 1990-02-02

Family

ID=31320222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9554888U Pending JPH0216698U (US20080293856A1-20081127-C00150.png) 1988-07-18 1988-07-18

Country Status (1)

Country Link
JP (1) JPH0216698U (US20080293856A1-20081127-C00150.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491164U (US20080293856A1-20081127-C00150.png) * 1990-12-25 1992-08-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491164U (US20080293856A1-20081127-C00150.png) * 1990-12-25 1992-08-07

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