FR922945A
(en )
1947-06-23
Method and apparatus for the manufacture of polyamides
FR1230834A
(en )
1960-09-20
Apparatus for the production of ozone
FR1070180A
(en )
1954-07-20
Method and apparatus for the ozonization of oxygen
FR977112A
(en )
1951-03-28
Process and apparatus for the manufacture of a phospho-nitrogen fertilizer
FR883791A
(en )
1943-07-16
Apparatus and method for the preparation of chlorine dioxide and nitrogen oxides
FR810912A
(en )
1937-04-02
Method and apparatus for the decomposition of ammonia
FR1076282A
(en )
1954-10-25
Method and apparatus for the continuous determination of vapor tensions
FR842218A
(en )
1939-06-08
Process for obtaining nitrogen and oxygen
FR779735A
(en )
1935-04-11
Method and apparatus for the production of ozone
FR1073143A
(en )
1954-09-20
Method and apparatus for the synthesis of polyamides
FR1054110A
(en )
1954-02-08
Advanced apparatus for the preparation of aerosols and micro-mists
FR803303A
(en )
1936-09-28
Method and apparatus for the purification of gas generator gas and the like
FR1064294A
(en )
1954-05-12
Apparatus for the preparation of metallic titanium
FR873948A
(en )
1942-07-23
Process for the manufacture of Thomas and Bessemer steels
FR899578A
(en )
1945-06-05
Method and apparatus for the manufacture of agglomerates of small dimensions
FR51880E
(en )
1943-05-24
Process for the manufacture of Thomas and Bessemer steels
FR807753A
(en )
1937-01-21
Method and apparatus for the purification of gas generator gas or the like
FR973567A
(en )
1951-02-12
Method and apparatus for obtaining naphthalene or similar products in the pure state
FR861013A
(en )
1941-01-30
Process for the preparation of magnesia and sulfur dioxide
FR1039476A
(en )
1953-10-07
Method and apparatus for ripening alkalicellulose
FR973657A
(en )
1951-02-13
Method and apparatus for the manufacture of copper ammonide
FR889026A
(en )
1943-12-29
Method and device for the transformation of ammonia into nitrogen oxides
FR864049A
(en )
1941-04-16
Method and apparatus for the purification of gasifier gases
FR1048827A
(en )
1953-12-24
Process and equipment for the purification of oils
FR896701A
(en )
1945-03-01
Process for converting nitrogen monoxide into nitrogen dioxide