AU118540B2
(en )
Improvements in or relating to optical elements
AU121728B2
(en )
Improvements in or relating to optical objectives
AU117518B2
(en )
1941-07-16
Improvements in or relating to optical systems
AU117519B2
(en )
1943-09-30
Improvements in or relating to optical systems
AU115684B2
(en )
1942-08-20
Improvements in or relating to torsiographs
AU214741A
(en )
1943-09-30
Improvements in or relating to optical systems
AU214641A
(en )
1941-07-16
Improvements in or relating to optical systems
AU243941A
(en )
1942-08-20
Improvements in or relating to torsiographs
AU112516B2
(en )
1941-02-20
Improvements in or relating to butt-jointing devices
AU114875B2
(en )
1942-03-26
Improvements in or relating to filters
AU115069B2
(en )
1942-05-04
Improvements in or relating to filters
AU114881B2
(en )
1942-03-26
Improvements in or relating to glass compositions
CA399541A
(en )
1941-09-23
Transparent member
AU542639A
(en )
1941-02-20
Improvements in or relating to butt-jointing devices
AU116279B2
(en )
Improvements in or relating to lubricants
AU114371B2
(en )
Improvements in inking-pads
AU114673B2
(en )
1942-02-20
Improvements in or relating to fence-electrifying apparatus
AU292241A
(en )
1942-03-26
Improvements in or relating to filters
AU292141A
(en )
1942-05-04
Improvements in or relating to filters
AU121595B2
(en )
1941-06-27
Improvements in or relating to footwear
AU114676B2
(en )
1942-02-26
Improvements in or relating to resilient mountings
AU115575B2
(en )
1942-07-30
Improvements in or relating to pumps
AU116300B2
(en )
Improvements in or relating to aeroplane construction
AU115740B2
(en )
1942-08-27
Improvements in or relating to horseshoes
AU115724B2
(en )
1942-08-27
Improvements in or relating to fluorescent materials