AU102765B2
(en )
1938-01-13
Improvements in or relating to coupled coil arrangements for use in bandpass and like filters
AU523936A
(en )
1938-01-13
Improvements in or relating to coupled coil arrangements for use in bandpass and like filters
AU101238B2
(en )
1937-06-17
Improvement in bandpass filters
AU101280B2
(en )
1937-06-24
Improvement in bandpass filters
AU100891B2
(en )
1937-05-13
Improvements in or relating to straining and filtering devices
AU228236A
(en )
1937-06-24
Improvement in bandpass filters
AU228336A
(en )
1937-06-17
Improvement in bandpass filters
AU100886B2
(en )
1937-05-18
Improvements in or relating to electrical bandpass filters
AU201736A
(en )
1937-05-13
Improvements in or relating to straining and filtering devices
AU122636A
(en )
1937-05-18
Improvements in or relating to electrical bandpass filters
AU101152B2
(en )
1937-06-10
Improvements in or relating to electric filters
AU101499B2
(en )
1937-07-15
Improvements in or relating to electromechanical wave filters
AU72136A
(en )
1937-06-10
Improvements in or relating to electric filters
AU101737B2
(en )
Improvements in and relating to spring construction
AU102167B2
(en )
1937-10-14
Improvements in and relating to watch cases
AU263136A
(en )
1937-07-15
Improvements in or relating to electromechanical wave filters
AU101547B2
(en )
1936-01-05
Improvements in and relating to dish-washers
AU101687B2
(en )
Improvements in rapid sand filters
AU406636A
(en )
1937-10-14
Improvements in and relating to watch cases
AU102863B2
(en )
1938-01-13
Improvements in or relating to high frequency electrical filters
AU101855B2
(en )
1937-09-02
Improvements in or relating to filtering or thickening apparatus
AU104269B2
(en )
1938-06-30
Improvements in and relating to filters of the edge filtration type
AU100568B2
(en )
1937-04-08
Improvements in and relating to belting
AU101287B2
(en )
1937-06-24
Improvements in and relating to pasteurizers
AU102777B2
(en )
1938-01-13
Improvements in or relating to photosculpture