FR1159560A
(en )
1958-06-30
Improvements to mucilages and their preparation processes
FR1106858A
(en )
1955-12-23
Improvements to barrel tubes and their manufacturing processes
FR1143024A
(en )
1957-09-25
Improvements to disc-shaped filters and their manufacturing processes
BE611250Q
(en )
1962-03-30
Improvements to refractory compositions and their manufacturing processes
FR1058222A
(en )
1954-03-15
Improvements to solid state polyethylene manufacturing processes
FR1068746A
(en )
1954-06-30
Improvements to belts and their manufacturing processes
FR1082936A
(en )
1955-01-04
Improvements to hollow construction elements and their manufacturing processes
FR1112099A
(en )
1956-03-08
Improvements made to accumulator electrodes and their manufacturing processes
FR1035718A
(en )
1953-08-28
Improvements to electric cookers and their manufacturing processes
FR1077619A
(en )
1954-11-10
Improvements in triangulene compounds and their manufacturing processes
FR1179917A
(en )
1959-05-29
Improvements to carbinols and their manufacturing processes
FR1077786A
(en )
1954-11-10
Improvements to hollow particles and their manufacturing processes
FR1135943A
(en )
1957-05-06
Improvements made to locknuts and their manufacturing processes
FR1153785A
(en )
1958-03-21
Improvements made to filter elements and their manufacturing processes
FR1142969A
(en )
1957-09-25
Improvements to electrically maintained pendulum devices and their manufacturing processes
FR1043923A
(en )
1953-11-12
Improvements made to anchor nuts and their manufacturing processes
FR1171943A
(en )
1959-02-03
Improvements to steroid compounds and their manufacturing processes
FR1125012A
(en )
1956-10-23
Improvements to electric capacitors and their manufacturing processes
FR1023351A
(en )
1953-03-18
Improvements to screwdrivers and their manufacturing processes
FR1121473A
(en )
1956-08-17
Improvements to molds intended for metal casting and their manufacturing processes
FR1326302A
(en )
1963-05-10
Improvements to filtering materials and their manufacturing processes
FR1110626A
(en )
1956-02-15
Improvements to conveyors, more especially to squeegee conveyors, and their manufacturing processes
FR1202266A
(en )
1960-01-08
Improvements to bis-ketenes and their manufacturing processes
FR1252882A
(en )
1961-02-03
Improvements to basic refractory bricks and their manufacturing processes
FR1114392A
(en )
1956-04-11
Improvements to 1, 1-dicyano-ethylenes and 1, 1-dicyano-ethanes containing halogen substituents and to their manufacturing processes