FR798901A
(en )
1936-05-29
Improvements to processes and apparatus for treating metals or metal objects
FR687094A
(en )
1930-08-04
Process for the rapid establishment of connections between the various components of complex electrical apparatus and product obtained by this process
FR686445A
(en )
1930-07-25
Process for establishing connections between various parts of complex electrical apparatus and product obtained by this process
FR863312A
(en )
1941-03-29
Method and apparatus for the electroplating of tin alloys
FR833814A
(en )
1938-11-02
Method and apparatus for reducing and lengthening metal ingots
FR630911A
(en )
1927-12-12
Process and apparatus for refining work lead containing various metals
FR858188A
(en )
1940-11-19
Process for surface treatment of ferrous metals
FR739889A
(en )
1933-01-18
Method and apparatus for plating
FR602202A
(en )
1926-03-15
New process and apparatus for the enrichment by emulsion and float of metals, minerals and in particular graphite
FR576967A
(en )
1924-08-29
Process and apparatus for the purification of metals
FR781101A
(en )
1935-05-09
Process and apparatus for the purification of magnesium or its alloys
FR736628A
(en )
1932-11-25
Improvements to processes and apparatus for metal refining
FR843661A
(en )
1939-07-07
Apparatus and method for rapidly performing metallurgical operations
FR855883A
(en )
1940-05-22
Method and apparatus for processing siliceous gold ores
FR972016A
(en )
1951-01-24
Method and apparatus for lifting underwater wrecks
FR591815A
(en )
1925-07-18
Process for the treatment of alloys containing copper and iron
FR762562A
(en )
1934-04-13
Method and apparatus for the purification of molten metals
FR813581A
(en )
1937-06-03
Improvements in processes and apparatus for carrying out exothermic reactions
FR47712E
(en )
1937-06-22
Method and apparatus for the purification of molten metals
FR655364A
(en )
1929-04-18
Process and apparatus for the production of metallic magnesium
FR597955A
(en )
1925-12-03
Process for extracting magnesium from alloys or mixtures containing magnesium
FR601299A
(en )
1926-02-26
Alloy steels heat treated and containing zirconium and process for making them
FR768258A
(en )
1934-08-03
Method and apparatus for making sinks and basins
FR1076574A
(en )
1954-10-27
Process for the refining of lead and lead alloys
FR608732A
(en )
1926-08-02
Method and apparatus for the treatment of molten metal