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DK10017C - Device with sound-absorbing Speech funnel for Telephones. - Google Patents

Device with sound-absorbing Speech funnel for Telephones.

Info

Publication number
DK10017C
DK10017C DK10017DA DK10017C DK 10017 C DK10017 C DK 10017C DK 10017D A DK10017D A DK 10017DA DK 10017 C DK10017 C DK 10017C
Authority
DK
Denmark
Prior art keywords
telephones
speech
funnel
absorbing
sound
Prior art date
Application number
Other languages
Danish (da)
Inventor
Hahnemann Adolphus Cutmore
Original Assignee
Telaupad Syndicate Ltd
Publication date
Application granted granted Critical
Publication of DK10017C publication Critical patent/DK10017C/en

Links

DK10017D Device with sound-absorbing Speech funnel for Telephones. DK10017C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK10017T

Publications (1)

Publication Number Publication Date
DK10017C true DK10017C (en) 1907-09-16

Family

ID=27826111

Family Applications (1)

Application Number Title Priority Date Filing Date
DK10017D DK10017C (en) Device with sound-absorbing Speech funnel for Telephones.

Country Status (1)

Country Link
DK (1) DK10017C (en)

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