AU1447028A
(en )
1929-07-23
Improvements in or relating to oscillating crystals and processes forthe manufacture thereof
GB323707A
(en )
1930-01-09
Improvements in or relating to cycle-saddles
GB322972A
(en )
1929-12-19
Improvements in and relating to the manufacture of hair-dyes
AU2323629A
(en )
1930-11-11
Improvements in or relating to electro-optical devices and processes forthe manufacture thereof
AU1323328A
(en )
1929-02-19
Improvements in or relating to high resistances and processes forthe manufacture thereof
GB306876A
(en )
1929-02-25
Improvements in or relating to the manufacture of piece-dyed tissues
GB321823A
(en )
1929-11-21
Improvements in and relating to maps and the like
AU549327A
(en )
1927-10-11
Improvements in and relating to clocks
GB308983A
(en )
1929-11-07
Improvements in and relating to bearing-metals and methods of manufacturing the same
AU1929929A
(en )
1929-10-29
Improvements in and relating to seatcovers
AU2156629A
(en )
1930-02-18
Improvements in and relating to doorlocks
AU2396629A
(en )
1930-12-16
Improvements in and relating to mouldoard pIougnhs
AU2572030A
(en )
1931-06-25
Improvements in or relating to electro-mecfianical resonators andthe like
AU1861629A
(en )
1929-12-17
Improvements in or relating to electro-mechanically resonant bodies
AU2692230A
(en )
1931-06-04
Improvements in or relating to piezoelectric oscillators andthe like
AU1570328A
(en )
1929-10-01
Improvements in or relating to sound-projectors
AU1950229A
(en )
1929-10-01
Improvements in or relating to microphons
AU2222229A
(en )
1930-05-20
Improvements in or relating to totalizators
AU2243629A
(en )
1930-03-18
Improvements in or relating to drill-steels
AU1239028A
(en )
1928-09-25
Improvements in or relating to piezoelectric devices
AU1739528A
(en )
1929-12-24
Improvements in or relating to piezoelectric devices
AU1379528A
(en )
1929-06-25
Improvements in and relating to pocketknives andthe like
AU1450528A
(en )
1929-02-26
Improvements in or relating tothe preparation of sulphate of ammonia
AU1029527A
(en )
1928-04-24
Improvements in and relating to navvies
AU775027A
(en )
1928-06-26
Improvements in and relating to grouters