CH300582A
(en )
1954-08-15
Process for electrodialysis and device for carrying out the process.
CH266274A
(en )
1950-01-15
Pest control methods.
CH290749A
(en )
1953-05-15
Method and arrangement for the transmission of characters.
CH260669A
(en )
1949-03-31
Process for polishing objects and apparatus for carrying out the process.
CH267495A
(en )
1950-03-31
Method for operating heat engines and device for carrying out the method.
CH254109A
(en )
1948-04-15
Process for producing permanent waves and device for carrying out the process.
CH266608A
(en )
1950-02-15
Knitting process and flat weft knitting machine for carrying out the process.
CH259491A
(en )
1949-01-31
Device for testing surfaces.
CH274839A
(en )
1951-04-30
Process for the recovery of platinum.
CH266859A
(en )
1950-02-28
Procedure for operating oil-firing systems and oil-firing systems for performing the procedure.
CH277325A
(en )
1951-08-31
Procedure for combating scale formation and the means for performing this procedure.
CH262189A
(en )
1949-06-30
Pest control methods.
CH280198A
(en )
1952-01-15
Process for the preparation of copolymers.
CH257582A
(en )
1948-10-15
Method of making permanent waves and device for carrying out the method.
CH265905A
(en )
1949-12-31
Process for finishing cylindrical and conical bores, and tool for performing the process
CH268326A
(en )
1950-05-15
Process for the breakdown of dl-tryptophan.
CH271980A
(en )
1950-11-30
Method for measuring distance and device for carrying out the method.
CH264861A
(en )
1949-11-15
Device for holding objects.
CH260031A
(en )
1949-02-28
Procedure for maintaining silkworms and obtaining their cocoons and equipment for carrying out the procedure.
CH271816A
(en )
1950-11-15
Process for the construction of body structures.
CH296127A
(en )
1954-01-31
Method of transferring heat and means of performing the method.
CH270825A
(en )
1950-09-30
Process and device for the production of 1,1-dichloroethylene or monochloroethylene.
CH281128A
(en )
1952-02-29
Procedure for purifying lactams.
CH255633A
(en )
1948-06-30
Process for the deacidification of water.
CH266637A
(en )
1950-02-15
Process for the decomposition of d1-methionine.