CA125579A - Boite a l'epreuve des sons - Google Patents

Boite a l'epreuve des sons

Info

Publication number
CA125579A
CA125579A CA000125579A CA125579DA CA125579A CA 125579 A CA125579 A CA 125579A CA 000125579 A CA000125579 A CA 000125579A CA 125579D A CA125579D A CA 125579DA CA 125579 A CA125579 A CA 125579A
Authority
CA
Canada
Prior art keywords
proof box
sound proof
sound
box
proof
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
CA000125579A
Other languages
English (en)
Inventor
William Henry Colwill
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 CA125579A publication Critical patent/CA125579A/fr
Expired legal-status Critical Current

Links

CA000125579A 1909-06-25 1909-06-25 Boite a l'epreuve des sons Expired CA125579A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA125579T 1909-06-25

Publications (1)

Publication Number Publication Date
CA125579A true CA125579A (fr) 1910-05-10

Family

ID=45245300

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000125579A Expired CA125579A (fr) 1909-06-25 1909-06-25 Boite a l'epreuve des sons

Country Status (1)

Country Link
CA (1) CA125579A (fr)

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