DK51117C
(en )
1936-01-06
Procedure for the production of water-repellent and waterproof paper, cardboard and other water-solids.
DK48135C
(en )
1933-12-11
Procedure for Making Waterproof Paper.
DK48538C
(en )
1934-03-19
Procedure and Device for the production of longitudinally creped paper.
DK54724C
(en )
1938-05-09
Method of Making Bituminous Paper, Cardboard and Cardboard.
DK49968C
(en )
1935-03-04
Procedure for the manufacture of resistant, oxygen-releasing detergents.
CH182768A
(en )
1936-02-29
Waterproof winder.
ES128584A1
(en )
1933-01-01
Procedure for the manufacture of waterproof paper and cardboard.
ES4599Y
(en )
1937-06-16
Containers made of paper or the like.
DK50656C
(en )
1935-09-16
Container of paper, paperboard or other thin material and procedure for its manufacture.
DK51974C
(en )
1936-08-03
Procedure and Machinery for the Manufacture of Paper Containers.
DK51133C
(en )
1936-01-13
Procedure for Manufacturing Security Paper.
DK49619C
(en )
1934-12-03
Procedure for the Production of Copy Publishers for Line Drawing for Printing and Similar Purposes.
DK55301C
(en )
1938-10-03
Procedure for Treating the Surface of Paper, Cardboard or Cardboard.
ES126268A1
(en )
1932-05-01
Dehydration procedure.
DK54051C
(en )
1937-12-20
Paper Manufacturing Procedure and Machine.
ES2480Y
(en )
1934-08-16
Drilled paper sheet blocks.
ES2628Y
(en )
1934-12-16
Paper heater.
DK52287C
(en )
1936-10-12
Procedure for the production of steam.
DK49325C
(en )
1934-10-01
Procedure for the manufacture of wax-prepared paper or similar containers.
CA324437A
(en )
1932-07-26
Chemical pulp
DK51111C
(en )
1936-01-06
Container of flexible material, preferably cardboard.
DK49813C
(en )
1935-01-28
Paper container.
DK51250C
(en )
1936-02-10
Paper container.
ES131702A1
(en )
1933-10-16
Carbon paper manufacturing process.
DK48406C
(en )
1934-02-19
Paper container.