CH282754A
(en )
1952-05-15
Process for the direct production of positives.
CH259428A
(en )
1949-01-31
Process for the production of starch degradation products.
CH294364A
(en )
1953-11-15
Process for the direct production of positives.
CH311195A
(en )
1955-11-30
Process for the production of hydroperoxides.
CH277685A
(en )
1951-09-15
Process for the production of multicolor diazo prints.
CH264411A
(en )
1949-10-15
Liquid operated press.
CH275560A
(en )
1951-05-31
Press mold for the production of press bodies.
CH301090A
(en )
1954-08-31
Process for the production of screw dressings.
CH258575A
(en )
1948-12-15
Process for the production of starch degradation products.
FR945926A
(en )
1949-05-18
Fruit press
AT195313B
(en )
1958-01-25
Hydraulic press for the production of components
AT189105B
(en )
1957-02-25
Hydraulic press for the production of components
CH275797A
(en )
1951-06-15
Process for the production of nitropolystyrene.
AT179471B
(en )
1954-09-10
Press for the production of continuous webs of material
CH293101A
(en )
1953-09-15
Process for the production of sodium pyrophosphate perhydrate.
CH297873A
(en )
1954-04-15
Process for the direct production of positives.
FR1017201A
(en )
1952-12-04
Hydraulic press
FR1014538A
(en )
1952-08-18
Mechanical press
AT168297B
(en )
1951-05-10
Oil press
FR1004576A
(en )
1952-03-31
Vibrating press
AT172683B
(en )
1952-10-10
Hydraulic press for the production of coated welding electrodes
CH291535A
(en )
1953-06-30
Process for the direct production of positives.
FR968110A
(en )
1950-11-20
Hydraulic presses
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT169598B
(en )
1951-11-26
Cardboard machine, especially for the manufacture of fiber cement products