FI31630A - Acoustic filter - Google Patents

Acoustic filter

Info

Publication number
FI31630A
FI31630A FI31630DA FI31630A FI 31630 A FI31630 A FI 31630A FI 31630D A FI31630D A FI 31630DA FI 31630 A FI31630 A FI 31630A
Authority
FI
Finland
Prior art keywords
acoustic filter
acoustic
filter
Prior art date
Application number
Other languages
Finnish (fi)
Inventor
Alfredsson Per-Olof
Original Assignee
Svenska Flaektfabriken Ab
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 Svenska Flaektfabriken Ab filed Critical Svenska Flaektfabriken Ab
Publication of FI31630A publication Critical patent/FI31630A/en

Links

FI31630D 1955-10-15 1955-10-15 Acoustic filter FI31630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI31630T 1955-10-15

Publications (1)

Publication Number Publication Date
FI31630A true FI31630A (en) 1961-01-11

Family

ID=36895842

Family Applications (1)

Application Number Title Priority Date Filing Date
FI31630D FI31630A (en) 1955-10-15 1955-10-15 Acoustic filter

Country Status (1)

Country Link
FI (1) FI31630A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583523A (en) * 1969-09-24 1971-06-08 Us Navy Boundary layer effect attenuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583523A (en) * 1969-09-24 1971-06-08 Us Navy Boundary layer effect attenuator

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