CA676934A - Sound silencing and filtering apparatus - Google Patents

Sound silencing and filtering apparatus

Info

Publication number
CA676934A
CA676934A CA676934A CA676934DA CA676934A CA 676934 A CA676934 A CA 676934A CA 676934 A CA676934 A CA 676934A CA 676934D A CA676934D A CA 676934DA CA 676934 A CA676934 A CA 676934A
Authority
CA
Canada
Prior art keywords
filtering apparatus
sound silencing
silencing
sound
filtering
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
CA676934A
Inventor
S. Everett Wilhelm
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 CA676934A publication Critical patent/CA676934A/en
Expired legal-status Critical Current

Links

CA676934A Sound silencing and filtering apparatus Expired CA676934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA676934T

Publications (1)

Publication Number Publication Date
CA676934A true CA676934A (en) 1963-12-31

Family

ID=35978015

Family Applications (1)

Application Number Title Priority Date Filing Date
CA676934A Expired CA676934A (en) Sound silencing and filtering apparatus

Country Status (1)

Country Link
CA (1) CA676934A (en)

Similar Documents

Publication Publication Date Title
CA676934A (en) Sound silencing and filtering apparatus
CA666695A (en) Acoustic construction unit and method
CA655221A (en) Filter and filtering method
CA658012A (en) Stereotaxical methods and apparatus
CA654477A (en) Acoustic filter
CA676227A (en) Filtering process and apparatus
CA661745A (en) Sound attenuating device
CA672671A (en) Sound attenuating system and apparatus for gas streams
CA657216A (en) Filtration apparatus and process
CA654953A (en) Sound reproduction system and method
CA654954A (en) Sound reproduction system and method
CA649485A (en) Acoustic silencer
AU404435B2 (en) Self-cleaning filter and apparatus using same
AU401285B2 (en) Piolyamide-esters and shaped polymides made therefrom
AU276580B2 (en) Filter apparatus
CA666283A (en) Filter apparatus
CA665228A (en) Acoustic devices
CA666197A (en) Filtering apparatus
AU285665B2 (en) Electroprinting method and means
CA683811A (en) Filtering process and apparatus
AU277159B2 (en) Method and apparatus
CA676625A (en) Photoelastimetric method and apparatus
AU273181B2 (en) Method and apparatus
CA670251A (en) Liquid-delivering-and-metering apparatus and method
CA669325A (en) Electrokinetic apparatus and methods