SU25601A1
(en )
1932-03-31
The method of separation of terpinehydrate from mineral powdered substances
SU9957A1
(en )
1929-06-29
Fireproof package
SU15533A1
(en )
1930-05-31
The method of preparation of varnish from wood tar
SU11800A1
(en )
1929-09-30
Temporary binding for books
SU10990A1
(en )
1929-09-30
The method of deposition of gold from solutions
SU10891A1
(en )
1929-07-31
The method of manufacture of detectors
DK42057C
(en )
1930-04-14
Process for the Preparation of Spreadable Nitrophosphates.
DK43268C
(en )
1930-10-27
Process for the Preparation of Spreadable Nitrophosphates.
DK39073C
(en )
1928-07-30
Machine for the manufacture of twist-free wire ropes.
DK45633C
(en )
1932-05-09
Machine for the manufacture of forgings.
DK41629C
(en )
1930-02-10
Procedure for the manufacture of twist-free, tension-free wire ropes.
DK37001C
(en )
1927-01-03
Apparatus for the Prevention of Fertilization.
DK43842C
(en )
1931-03-16
Apparatus for the Production of Cellulosexantogenate.
DK42635C
(en )
1930-07-21
Procedure for the manufacture of feedingstuffs.
DK41945C
(en )
1930-03-31
Procedure for the Production of Highly Activated Coal.
DK39017C
(en )
1928-07-16
Device for the manufacture of twist-free wire ropes.
DK39617C
(en )
1928-12-17
Device for the manufacture of rubber-insulated wires.
DK44593C
(en )
1931-09-14
Sound funnel or sound channel for devices used for sound reproduction, as well as the procedure for its manufacture.
DK41888C
(en )
1930-03-24
Procedure for Improving the Dispersibility of Nitrophosphates.
DK39162C
(en )
1928-08-27
Method for making an asphalt-like coating for roads or the like.
ES103714A1
(en )
1927-08-16
Process for the preparation of asymmetrically substituted 1,3-di-amino-2-propanols.
DK39054C
(en )
1928-07-30
Apparatus for Tightening the Fence Wire.
DK38293C
(en )
1927-12-27
Process for the Preparation of Complex Aurothiosulfate Compounds.
GR2123B
(en )
1929-01-17
PREPARATION FOR THE NORMAL FERTILIZATION OF THE GLEUKOS.
ES102531A1
(en )
1927-06-16
An instantaneous ice producer.