AU646622A - Improvements in or relating to the vibratory diaphragms of sound producing apparatus - Google Patents

Improvements in or relating to the vibratory diaphragms of sound producing apparatus

Info

Publication number
AU646622A
AU646622A AU6466/22A AU646622A AU646622A AU 646622 A AU646622 A AU 646622A AU 6466/22 A AU6466/22 A AU 6466/22A AU 646622 A AU646622 A AU 646622A AU 646622 A AU646622 A AU 646622A
Authority
AU
Australia
Prior art keywords
relating
producing apparatus
sound producing
vibratory diaphragms
diaphragms
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
AU6466/22A
Inventor
Waters Edward
Filing date
Publication date
Application filed filed Critical
Publication of AU646622A publication Critical patent/AU646622A/en
Expired legal-status Critical Current

Links

AU6466/22A 1922-04-12 Improvements in or relating to the vibratory diaphragms of sound producing apparatus Expired AU646622A (en)

Publications (1)

Publication Number Publication Date
AU646622A true AU646622A (en) 1923-07-24

Family

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