CA673104A - Loud speaking telephone instrument - Google Patents

Loud speaking telephone instrument

Info

Publication number
CA673104A
CA673104A CA673104A CA673104DA CA673104A CA 673104 A CA673104 A CA 673104A CA 673104 A CA673104 A CA 673104A CA 673104D A CA673104D A CA 673104DA CA 673104 A CA673104 A CA 673104A
Authority
CA
Canada
Prior art keywords
telephone instrument
loud speaking
speaking telephone
loud
instrument
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
CA673104A
Inventor
H. Mindermann Kurt
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.)
Gylling and Co AB
Original Assignee
Gylling and Co AB
Publication date
Application granted granted Critical
Publication of CA673104A publication Critical patent/CA673104A/en
Expired legal-status Critical Current

Links

CA673104A Loud speaking telephone instrument Expired CA673104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA673104T

Publications (1)

Publication Number Publication Date
CA673104A true CA673104A (en) 1963-10-29

Family

ID=35973462

Family Applications (1)

Application Number Title Priority Date Filing Date
CA673104A Expired CA673104A (en) Loud speaking telephone instrument

Country Status (1)

Country Link
CA (1) CA673104A (en)

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