CA649435A - Sound attenuation - Google Patents

Sound attenuation

Info

Publication number
CA649435A
CA649435A CA649435A CA649435DA CA649435A CA 649435 A CA649435 A CA 649435A CA 649435 A CA649435 A CA 649435A CA 649435D A CA649435D A CA 649435DA CA 649435 A CA649435 A CA 649435A
Authority
CA
Canada
Prior art keywords
sound attenuation
attenuation
sound
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
CA649435A
Inventor
Wohlberg George
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
Publication date
Application granted granted Critical
Publication of CA649435A publication Critical patent/CA649435A/en
Expired legal-status Critical Current

Links

CA649435A Sound attenuation Expired CA649435A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA649435T

Publications (1)

Publication Number Publication Date
CA649435A true CA649435A (en) 1962-10-02

Family

ID=35938079

Family Applications (1)

Application Number Title Priority Date Filing Date
CA649435A Expired CA649435A (en) Sound attenuation

Country Status (1)

Country Link
CA (1) CA649435A (en)

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