CH379280A
(en )
1964-06-30
Electrophotographic reproduction material
CH379279A
(en )
1964-06-30
Electrophotographic reproduction material
CH388773A
(en )
1965-02-28
Electrophotographic reproduction material
CH394805A
(en )
1965-06-30
Photographic material
CH373956A
(en )
1963-12-15
One-component diazotype material
CH375988A
(en )
1964-03-15
Photosensitive diazotype material
CH370967A
(en )
1963-07-31
Photosensitive material
CH381086A
(en )
1964-08-15
Diazotype material
CH386841A
(en )
1965-01-15
Diazotype material
CH376766A
(en )
1964-04-15
Diazotype copying material for the production of intermediate originals
CH379278A
(en )
1964-06-30
Electrophotographic reproduction material
DK112379B
(en )
1968-12-09
Process for the preparation of 16α-alkyl-20-keto-pregnane enolacylates.
DK110005C
(en )
1968-08-19
Diazotypi-Copying material for the production of middle originals.
DK109089C
(en )
1968-03-18
Process for the preparation of 5-nitrofurans.
CH383769A
(en )
1964-10-31
Diazotype copying layer for the production of intermediate originals
DK99061C
(en )
1964-06-15
Diazotype copying material for the production of middle originals.
CH386840A
(en )
1965-01-15
Diazotype material
DK114744B
(en )
1969-07-28
Diazotype copying material for the production of middle originals.
DK107076C
(en )
1967-04-17
Diazotype copying material for the production of middle originals.
DK112918B
(en )
1969-01-27
One-component diazotype material.
DK96868C
(en )
1963-09-09
Material for electrophotographic reproduction.
DK98606C
(en )
1964-04-27
Material for xerographic reproduction.
DK93392C
(en )
1962-05-07
Procedure for making photographic copies.
CH369966A
(en )
1963-06-15
Photographic copier
DK91752C
(en )
1961-09-11
One-component diazotype material.