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AU1385828A - Improvements insound recording systems - Google Patents

Improvements insound recording systems

Info

Publication number
AU1385828A
AU1385828A AU13858/28A AU1385828A AU1385828A AU 1385828 A AU1385828 A AU 1385828A AU 13858/28 A AU13858/28 A AU 13858/28A AU 1385828 A AU1385828 A AU 1385828A AU 1385828 A AU1385828 A AU 1385828A
Authority
AU
Australia
Prior art keywords
recording systems
insound
improvements insound
recording
systems
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
AU13858/28A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
Filing date
Publication date
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of AU1385828A publication Critical patent/AU1385828A/en
Expired legal-status Critical Current

Links

AU13858/28A 1928-06-14 Improvements insound recording systems Expired AU1385828A (en)

Publications (1)

Publication Number Publication Date
AU1385828A true AU1385828A (en) 1929-06-25

Family

ID=

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