CH311154A
(en )
1955-11-30
Process for the production of shaped structures.
CH282754A
(en )
1952-05-15
Process for the direct production of positives.
CH294364A
(en )
1953-11-15
Process for the direct production of positives.
CH322260A
(en )
1957-06-15
Process for the production of N-methylol-polypyrrolidones
CH300957A
(en )
1954-08-31
Process for the production of semi-pulp.
AT181161B
(en )
1955-02-25
Concrete iron bending machine, in particular for the production of weak iron brackets
CH301090A
(en )
1954-08-31
Process for the production of screw dressings.
CH305692A
(en )
1955-03-15
Process for the production of detergent mixtures.
CH270847A
(en )
1950-09-30
Process for the production of transparent papers, in particular for drawing purposes.
CH307970A
(en )
1955-06-30
Process for the production of chlorofluoroethenes.
CH292070A
(en )
1953-07-31
Process for the production of ammonium nitrilosulfonate.
CH283770A
(en )
1952-06-30
Process for the manufacture of detergents.
CH293961A
(en )
1953-10-31
Method and device for the production of reinforced fiber cement boards.
CH297873A
(en )
1954-04-15
Process for the direct production of positives.
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT177709B
(en )
1954-02-25
Device for the production of steel stone beams, in particular ceiling beams
CH306030A
(en )
1955-03-31
Process for the manufacture of detergents.
AT187672B
(en )
1956-11-10
Formwork for the manufacture of structures
AT182391B
(en )
1955-06-25
Process for the production of new, basic ethers of substituted diphenyl-methyl-carbinols
CH291535A
(en )
1953-06-30
Process for the direct production of positives.
CH295071A
(en )
1953-12-15
Process for the production of polyacrylonitrile.
CH304404A
(en )
1955-01-15
Starting material for the manufacture of fittings.
CH309986A
(en )
1955-09-30
Process for the production of germanium in the form of wires.
AT180281B
(en )
1954-11-25
Process for the production of metal powders, in particular iron powders
CH307326A
(en )
1955-05-31
Process for the production of p-methylaminophenol.