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CA452630A - Megaphone electrique - Google Patents

Megaphone electrique

Info

Publication number
CA452630A
CA452630A CA452630A CA452630DA CA452630A CA 452630 A CA452630 A CA 452630A CA 452630 A CA452630 A CA 452630A CA 452630D A CA452630D A CA 452630DA CA 452630 A CA452630 A CA 452630A
Authority
CA
Canada
Prior art keywords
electric megaphone
megaphone
electric
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
CA452630A
Other languages
English (en)
Inventor
C. Dalrymple Henry
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.)
AUDIO EQUIPMENT Co
GUIDED RADIO Corp
Original Assignee
AUDIO EQUIPMENT Co
GUIDED RADIO Corp
Publication date
Application granted granted Critical
Publication of CA452630A publication Critical patent/CA452630A/fr
Expired legal-status Critical Current

Links

CA452630A Megaphone electrique Expired CA452630A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA452630T

Publications (1)

Publication Number Publication Date
CA452630A true CA452630A (fr) 1948-11-16

Family

ID=35570359

Family Applications (1)

Application Number Title Priority Date Filing Date
CA452630A Expired CA452630A (fr) Megaphone electrique

Country Status (1)

Country Link
CA (1) CA452630A (fr)

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