CH317133A
(en )
1956-11-15
Process for polymerizing acrylonitrile
CH322261A
(en )
1957-06-15
Process for hardening polyglycidyl ethers
CH280430A
(en )
1952-01-31
Method and device for cutting threads and bundles of threads.
AT185184B
(en )
1956-04-10
Device for variable-torque drive of work machines
AT184755B
(en )
1956-02-25
Process for the automatic evaluation of documents
AT180459B
(en )
1954-12-10
Method of making thread cutting tools
CH313776A
(en )
1956-05-15
Process for dulling acidic, phosphate-containing solutions or melting calcium nitrate
CH315602A
(en )
1956-08-31
Process for polymerizing vinyl compounds
CH332577A
(en )
1958-09-15
Process for working metals
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH306603A
(en )
1955-04-30
Method of coloring masses.
AT187918B
(en )
1956-12-10
Process for the absorption of N-oxides
AT183517B
(en )
1955-10-25
Process for the production of steels containing lead
AT175868B
(en )
1953-08-25
Process for stabilizing peracids
AT184430B
(en )
1956-01-25
Process for making scissors knives
FR1095797A
(en )
1955-06-06
Advanced drilling process
AT193900B
(en )
1957-12-10
Method of breaking down lignin
AT181915B
(en )
1955-05-10
Method for crimping synthetic threads
FR1096546A
(en )
1955-06-21
Process improving dewaxing operations
AT183298B
(en )
1955-09-26
Process for the production of tools from high-speed steel
AT193409B
(en )
1957-11-25
Process for granulating superphosphate
AT172167B
(en )
1952-08-11
Process for surface hardening of cutting blades
FR1111049A
(en )
1956-02-21
Welding process
FR1115853A
(en )
1956-04-30
Welding process
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis