GB647617A
(en )
1950-12-20
Diazotype photoprinting materials
GB644493A
(en )
1950-10-11
Improvements relating to the production of diazotype photo printing materials
GB643063A
(en )
1950-09-15
Diazotype photoprinting materials
AU136778B2
(en )
1947-05-22
4'Improvements relating to Diazotype Light-Sensitive Material
AU1158147A
(en )
1947-05-22
4'Improvements relating to Diazotype Light-Sensitive Material
AU134767B2
(en )
1947-01-30
Improvements relating to film' projection
AU935047A
(en )
1947-01-30
Improvements relating to film' projection
CA439532A
(en )
1947-02-04
Photographic material
CA436869A
(en )
1946-09-10
Photographic light-sensitive material
GB645553A
(en )
1950-11-01
Improvements relating to the processing of photographic film
CA439809A
(en )
1947-02-18
Adhesive photosensitive material
AU139857B2
(en )
1949-10-20
Improvements relating to photographic cameras
AU143163B2
(en )
1948-08-05
Improvements relating to photographic cameras
CA433697A
(en )
1946-03-19
Photographic material
CA435135A
(en )
1946-06-04
Stabilized diazo-type sensitive material
CA435190A
(en )
1946-06-04
Stabilized diazo-type sensitive material
FR948373A
(en )
1949-07-29
Package of envelopes
CA439440A
(en )
1947-01-28
Photographic film
CA447974A
(en )
1948-04-20
Photographic enlarger
AU2380148A
(en )
1949-10-20
Improvements relating to photographic cameras
AU2104948A
(en )
1948-08-05
Improvements relating to photographic cameras
CA448576A
(en )
1948-05-18
Photographic developer
CA440248A
(en )
1947-03-18
Photographic element
CA440249A
(en )
1947-03-18
Photographic element
CA442217A
(en )
1947-06-17
Photographic element