CH280799A
(en )
1952-02-15
Process for the production of colored threads and fibers.
AT176146B
(en )
1953-09-25
Machine for the production of polishing discs and polishing disc produced with this
CH294423A
(en )
1953-11-15
Machine for the production of polishing discs.
AT182701B
(en )
1955-07-25
Mixed fabric for the production of melt-bonded fabric combinations
AT177308B
(en )
1954-01-25
Method and machine for the production of slide locks
AT175235B
(en )
1953-06-25
Shaft furnace for the production of calcium carbide
AT175145B
(en )
1953-06-10
Grinding device for the production of confectionery
AT184040B
(en )
1955-12-10
Machine for the production of zippers
AT183225B
(en )
1955-09-26
Machine for the production of round and profiled wooden bars
AT176358B
(en )
1953-10-10
Machine for the production of decorative grooves or the like on buttons
AT171179B
(en )
1952-05-10
Process for the production of grinding wheels
CH284156A
(en )
1952-07-15
Process for the production of polishing and grinding wheels.
ES187960A3
(en )
1949-06-16
IMPROVEMENTS IN THE MANUFACTURE OF PHONOGRAPHIC DISCS
AT175025B
(en )
1953-05-26
Automatic machine for the production of hollow glass objects
AT177511B
(en )
1954-02-10
Semi-finished product for the manufacture of dentures
AT171089B
(en )
1952-04-25
Grinding disc
CH275364A
(en )
1951-05-31
Process for the production of steel wool discs and steel wool disc produced by this process.
ES194619A3
(en )
1950-10-16
A PROCEDURE FOR THE MANUFACTURE OF DISCS AND OTHER BODIES FOR SANDING OR POLISHING
GR12498B
(en )
1950-06-24
MANUFACTURE OF WOODEN EMBROIDERY CIRCLES FOR USE OF HOMEWORK RAW MATERIAL.
AT177833B
(en )
1954-03-10
Device for the production of contact pins
AT170650B
(en )
1952-03-10
Machine for the production of wood wool
FR985584A
(en )
1951-07-20
Process for the production of cork discs for polishing and resulting discs
CH274936A
(en )
1951-04-30
Material for polishing objects and methods of making the same.
CH263734A
(en )
1949-09-15
Material for polishing objects and methods of making the same.
AT171411B
(en )
1952-05-26
Process for the preparation of bis-choline dicarboxylates and their derivatives