FR1270757A
(en )
1961-09-01
Improvement to cutter-gatherers
FR1220283A
(en )
1960-05-24
Improvements to accelerometers
FR1225430A
(en )
1960-06-30
Improvements to nuts
FR1224714A
(en )
1960-06-27
Improvements to elastic supports
FR1216164A
(en )
1960-04-22
Improvements to vibrating mills
DE6602548U
(en )
1969-05-29
ELECTROSTATIC FILTER
FR1229459A
(en )
1960-09-07
Improvements to electrostatic precipitators
FR1243213A
(en )
1960-10-07
Improvements to electrostatic precipitators
BE585719A
(en )
1960-04-19
Improvements to electrostatic precipitators
BE580470A
(en )
1959-11-03
Improvements to electrostatic precipitators
FR1220944A
(en )
1960-05-30
Improvements to dust extractors
FR1243634A
(en )
1960-10-14
Improvements to spring suspensions
FR1297911A
(en )
1962-07-06
Improvements to electrostatic precipitators
FR1284645A
(en )
1962-02-16
Improvements to electrostatic precipitators
AT210531B
(en )
1960-08-10
Electrostatic precipitator
FR1240234A
(en )
1960-09-02
Improvements to turbo-engines
FR1304266A
(en )
1962-09-21
Improvements to electrostatic precipitators
FR1232117A
(en )
1960-10-05
Improvements to electrostatic filters
FR1198361A
(en )
1959-12-07
Improvements to electrostatic filters
FR1276069A
(en )
1961-11-17
Improvements to electrostatic precipitators
FR1187850A
(en )
1959-09-16
Improvements to electrostatic precipitators
FR1239547A
(en )
1960-08-26
Improvements made to dust separators
FR1118726A
(en )
1956-06-11
Improvements to electrostatic precipitators
FR1375651A
(en )
1964-10-23
Improvements to stylographs
FR1204736A
(en )
1960-01-27
Improvements to servo-brakes