AU422164B2 - Acoustical sensing device - Google Patents

Acoustical sensing device

Info

Publication number
AU422164B2
AU422164B2 AU48006/68A AU4800668A AU422164B2 AU 422164 B2 AU422164 B2 AU 422164B2 AU 48006/68 A AU48006/68 A AU 48006/68A AU 4800668 A AU4800668 A AU 4800668A AU 422164 B2 AU422164 B2 AU 422164B2
Authority
AU
Australia
Prior art keywords
sensing device
acoustical sensing
acoustical
sensing
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.)
Expired
Application number
AU48006/68A
Other versions
AU4800668A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU422164B2 publication Critical patent/AU422164B2/en
Publication of AU4800668A publication Critical patent/AU4800668A/en
Expired legal-status Critical Current

Links

AU48006/68A 1968-12-18 Acoustical sensing device Expired AU422164B2 (en)

Publications (2)

Publication Number Publication Date
AU422164B2 true AU422164B2 (en) 1970-06-18
AU4800668A AU4800668A (en) 1970-06-18

Family

ID=

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