GB510881A
(en )
1939-08-08
Improvements in or relating to methods of producing electrical oscillations
AU106924B2
(en )
1939-03-30
Improvements in or relating to methods of producing basic green copper sulphate and stable copper hydroxide
AU103138A
(en )
1939-03-30
Improvements in or relating to methods of producing basic green copper sulphate and stable copper hydroxide
AU106923B2
(en )
1939-03-30
Improvements in or relating to methods of producing iron-free copper solutions
AU106465B2
(en )
1939-02-02
Improvements in or relating to processes of producing copper hydroxide
AU103038A
(en )
1939-03-30
Improvements in or relating to methods of producing iron-free copper solutions
AU103238A
(en )
1939-02-02
Improvements in or relating to processes of producing copper hydroxide
AU106194B2
(en )
1939-01-12
Improvements in and relating to filaments and methods of manufacturing thesame
AU106277B2
(en )
1939-01-12
Improvements relating to laminated molds or dies and method of making same
AU114638A
(en )
1939-01-12
Improvements in and relating to filaments and methods of manufacturing thesame
AU296338A
(en )
1939-01-12
Improvements relating to laminated molds or dies and method of making same
AU108530B2
(en )
1938-06-06
Improvement in electrolytic condensers and method of making same
AU105384B2
(en )
1938-10-20
Improvements in and relating to the manufacture of sulphuric acid
AU105252B2
(en )
1938-10-06
Improvements in or relating to methods of manufacturing hard-metal alloys and objects made therefrom
CA377534A
(en )
1938-11-08
Production of 2-alkylhexahydrobenzthiazoles and 2-alkylhexahydrobenzselenazoles
AU107092B2
(en )
1939-04-20
Improvements in or relating to floorcovering and method of making same
AU106795B2
(en )
1939-03-16
Improvements in and relating to disinfecting means and methods of producing them
AU86138A
(en )
1938-06-06
Improvement in electrolytic condensers and method of making same
AU107881B2
(en )
1939-07-13
Improvements in and relating to doorlocks
AU107220B2
(en )
1939-05-04
Improvements in and relating to aneurin
AU108338A
(en )
1938-10-20
Improvements in and relating to the manufacture of sulphuric acid
AU174838A
(en )
1938-10-06
Improvements in or relating to methods of manufacturing hard-metal alloys and objects made therefrom
AU104947B2
(en )
1938-09-08
Improvements in and relating tothe manufacture of sulphuric acid
AU108068B2
(en )
1939-08-03
Improvements in and relating to mechanical toys
AU105240B2
(en )
Improvements in and relating tothe production of nitrous oxide