AU1000619A - Improvements in and relating to sound receiving instruments - Google Patents

Improvements in and relating to sound receiving instruments

Info

Publication number
AU1000619A
AU1000619A AU10006/19A AU1000619A AU1000619A AU 1000619 A AU1000619 A AU 1000619A AU 10006/19 A AU10006/19 A AU 10006/19A AU 1000619 A AU1000619 A AU 1000619A AU 1000619 A AU1000619 A AU 1000619A
Authority
AU
Australia
Prior art keywords
relating
sound receiving
receiving instruments
instruments
sound
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
AU10006/19A
Inventor
Marr Alexander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU1000619A publication Critical patent/AU1000619A/en
Expired legal-status Critical Current

Links

AU10006/19A 1919-02-03 Improvements in and relating to sound receiving instruments Expired AU1000619A (en)

Publications (1)

Publication Number Publication Date
AU1000619A true AU1000619A (en) 1919-11-11

Family

ID=

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