CH74534A
(en )
1917-08-01
Process for the production of an anti-skid compound
AT87335B
(en )
1922-02-25
Process for the production of an alumina suitable for the purposes of aluminum production.
CH59460A
(en )
1913-05-16
Process for the production of acid-resistant cast steel
CH77547A
(en )
1918-05-01
Process for producing a silicon compound
CH76711A
(en )
1918-05-16
Process for the production of wire drawing dies
CH74962A
(en )
1917-05-01
Process for the production of gray cast iron
CH68990A
(en )
1915-05-17
Process for the production of soluble silica
CH78111A
(en )
1918-11-01
Process for the preparation of an oily liquid for the manufacture of paints
AT82809B
(en )
1921-02-25
Process for the production of an anti-skid compound.
CH74965A
(en )
1917-06-01
Process for the production of an insert and hardening preparation for iron objects
CH76405A
(en )
1917-12-17
Process for the manufacture of refractory products
CH77185A
(en )
1918-03-16
Process for the production of a water-soluble compound of aluminum
CH75534A
(en )
1917-08-01
Process for the production of etched figures
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH69243A
(en )
1915-06-01
Process for the preparation of oxystearophosphinous acid
CH77440A
(en )
1918-04-16
Process for the production of insulating sleeves for transformers
CH78877A
(en )
1918-09-16
Process for the preparation of an iron protein compound
CH78276A
(en )
1918-07-01
Process for the preparation of an iron protein compound
CH83598A
(en )
1919-12-16
Process for the production of a cement for dental purposes
CH71559A
(en )
1916-01-17
Process for the preparation of an oxyphenylquinolinedicarboxylic acid
CH69409A
(en )
1915-09-16
Process for the preparation of an oxy-phenylchiolinedicarboxylic acid
CH78231A
(en )
1918-07-01
Process for the production of a filling compound for building purposes
CH67911A
(en )
1915-02-01
Process for making an emulsion
CH69779A
(en )
1915-07-16
Process for the production of contrast formers for the purposes of X-ray photography
CH73164A
(en )
1916-08-16
Process for the production of contrast formers for the purposes of X-ray photography