JPS534777Y2 - - Google Patents

Info

Publication number
JPS534777Y2
JPS534777Y2 JP1974112253U JP11225374U JPS534777Y2 JP S534777 Y2 JPS534777 Y2 JP S534777Y2 JP 1974112253 U JP1974112253 U JP 1974112253U JP 11225374 U JP11225374 U JP 11225374U JP S534777 Y2 JPS534777 Y2 JP S534777Y2
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.)
Expired
Application number
JP1974112253U
Other languages
Japanese (ja)
Other versions
JPS5139480U (https=
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 JP1974112253U priority Critical patent/JPS534777Y2/ja
Priority to GB37008/75A priority patent/GB1499575A/en
Priority to US05/612,538 priority patent/US4023162A/en
Publication of JPS5139480U publication Critical patent/JPS5139480U/ja
Application granted granted Critical
Publication of JPS534777Y2 publication Critical patent/JPS534777Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1974112253U 1974-09-11 1974-09-17 Expired JPS534777Y2 (https=)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1974112253U JPS534777Y2 (https=) 1974-09-17 1974-09-17
GB37008/75A GB1499575A (en) 1974-09-11 1975-09-09 Electronic buzzers
US05/612,538 US4023162A (en) 1974-09-11 1975-09-11 Electronic buzzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974112253U JPS534777Y2 (https=) 1974-09-17 1974-09-17

Publications (2)

Publication Number Publication Date
JPS5139480U JPS5139480U (https=) 1976-03-24
JPS534777Y2 true JPS534777Y2 (https=) 1978-02-06

Family

ID=28338730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974112253U Expired JPS534777Y2 (https=) 1974-09-11 1974-09-17

Country Status (1)

Country Link
JP (1) JPS534777Y2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7520993B1 (en) 2007-12-06 2009-04-21 Water & Power Technologies, Inc. Water treatment process for oilfield produced water

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913334U (https=) * 1972-05-08 1974-02-04
JPS4922090A (https=) * 1972-06-17 1974-02-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7520993B1 (en) 2007-12-06 2009-04-21 Water & Power Technologies, Inc. Water treatment process for oilfield produced water

Also Published As

Publication number Publication date
JPS5139480U (https=) 1976-03-24

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