CA195118A - Listening apparatus - Google Patents

Listening apparatus

Info

Publication number
CA195118A
CA195118A CA000195118A CA195118DA CA195118A CA 195118 A CA195118 A CA 195118A CA 000195118 A CA000195118 A CA 000195118A CA 195118D A CA195118D A CA 195118DA CA 195118 A CA195118 A CA 195118A
Authority
CA
Canada
Prior art keywords
listening apparatus
listening
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
CA000195118A
Other languages
French (fr)
Inventor
Andre Bloch
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
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of CA195118A publication Critical patent/CA195118A/en
Expired legal-status Critical Current

Links

CA000195118A 1918-06-26 1918-06-26 Listening apparatus Expired CA195118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA195118T 1918-06-26

Publications (1)

Publication Number Publication Date
CA195118A true CA195118A (en) 1919-12-23

Family

ID=45314769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000195118A Expired CA195118A (en) 1918-06-26 1918-06-26 Listening apparatus

Country Status (1)

Country Link
CA (1) CA195118A (en)

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