AU1764767A
(en )
1919-08-15
Improvements in or relating to reverse osmosis
AU1350219A
(en )
1920-01-23
Improvements in or relating to electric-motor control-systems
AU1422920A
(en )
1920-05-08
Improvements in or relating to books
AU230960B2
(en )
1919-10-23
Improvements in or relating to amino-triazol derivatives
AU1046919A
(en )
1919-10-14
Improvements in or relating to pumps
AU1203719A
(en )
1920-05-18
Improvements in or relating to pumps
AU1344319A
(en )
1920-07-06
Improvements In or relating to ejectors
AU3729058A
(en )
1919-10-23
Improvements in or relating to amino-triazol derivatives
AU288118B2
(en )
1919-09-02
Improvements in or relating to spinnerets
AU1510720A
(en )
1920-04-27
Improvements in or relating to chairs
AU1248219A
(en )
1920-03-01
Improvements in or relating to domestic heating--and cooking-apparatus
AU1364619A
(en )
1921-05-31
Improvements in or relating to cranes
AU1658720A
(en )
1920-07-12
Improvements in or relating to magnetic ring-separators
AU1356819A
(en )
1919-12-06
Improvements in or relating to shaded-pole motors andthe like
AU996719A
(en )
1920-02-10
Improvements in or relating to presses andthe like
AU1745420A
(en )
1920-08-27
Improvements in or relating to microphones
AU5664565A
(en )
1919-09-02
Improvements in or relating to spinnerets
AU1101919A
(en )
1920-05-18
Improvements in or relating to flooring-plates orthe like
AU1083119A
(en )
1919-11-18
Improvements in or relating to corsets
AU1538220A
(en )
1920-05-01
Improvements in or relating to steel framed cottages
AU1093019A
(en )
1919-05-28
Improvements in or relating to takling machines
AU1019219A
(en )
1919-08-19
Improvements in hatpins
AU1022819A
(en )
1919-10-14
Improvements in windowshades
AU997819A
(en )
1919-08-05
Improvements in churns
AU425285B2
(en )
1919-02-06
Improvements in or relating to chain gearing