FR1290584A
(en )
1962-04-13
Improvements to devices for cutting slots
FR1184986A
(en )
1959-07-28
Improvements to sealing devices for pipes
FR1248617A
(en )
1960-12-23
Improvements to optico-mechanical scanning devices
FR1203098A
(en )
1960-01-15
Improvements to crane devices for building construction
FR1170520A
(en )
1959-01-15
Improvements to shaped charges used for perforation
FR1181280A
(en )
1959-06-12
Improvements to roofing devices for buildings
BE579787A
(en )
1959-10-16
Improvements to pre-stressing devices for concrete.
FR1165755A
(en )
1958-10-29
Improvements to retractors for orthodontics
FR1293042A
(en )
1962-05-11
Improvements to concrete vibrators
FR74382E
(en )
1960-11-07
Improvements to carding devices
BE579786A
(en )
1959-10-16
Improvements to processes and device for pre-stressing concrete.
FR1170521A
(en )
1959-01-15
Improvements to shaped charges used for perforation in heterogeneous targets
FR1236048A
(en )
1960-07-15
Improvements to pre-stressing devices for concrete
FR1219287A
(en )
1960-05-17
Improvements to formwork devices
FR1197212A
(en )
1959-11-30
Improvements to slabs for floors
FR1187043A
(en )
1959-09-04
Improvements relating to concrete formwork
FR1189277A
(en )
1959-10-01
Improvements to faucets
FR1171684A
(en )
1959-01-29
Improvements to faucets
FR1208328A
(en )
1960-02-23
Can for preserves
FR1170562A
(en )
1959-01-15
Piedroit for mines
FR1167326A
(en )
1958-11-24
Improvements to closure devices
BE609591A
(en )
1962-02-15
Improvements to formwork supports
FR1152775A
(en )
1958-02-25
Improvements to datograph mechanisms for time devices
FR1241118A
(en )
1960-09-16
Improvements to switching devices for radars
FR1197588A
(en )
1959-12-01
Veneer shears