Number | Name | Date | Kind |
---|---|---|---|
2399756 | Mott | May 1946 | |
3137138 | Kalle | Jun 1964 | |
3543646 | Iisima | Dec 1970 | |
3587784 | Tait | Jun 1971 | |
3880252 | Mucka | Apr 1975 | |
4063824 | Baker et al. | Dec 1977 | |
4067195 | Malecha | Jan 1978 | |
4068987 | Crooks | Jan 1978 | |
4184564 | Trainor | Jan 1980 | |
4988069 | D'Silva | Jan 1991 | |
5036662 | Knowlton | Aug 1991 | |
5040953 | Tinsler | Aug 1991 |
Number | Date | Country |
---|---|---|
0155368 | Dec 1979 | JPX |
1186826 | Oct 1985 | SUX |
Entry |
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Fluid Kinetics-Model AFC Hydraulic Acoustic Filter National Advisory Committee for Aeronautics Report 1192, 1954. |