FR1198585A
(en )
1959-12-08
Improvements to steam generators
FR1246232A
(en )
1960-11-18
Improvements to tubular boilers
FR1162094A
(en )
1958-09-09
Improvements to steam generators
FR1230669A
(en )
1960-09-19
Improvements to generators
FR1224444A
(en )
1960-06-23
Steam generator
FR1232804A
(en )
1960-10-12
Improvements to steam generators
FR1221069A
(en )
1960-05-31
Improvements to tubular steam generators
FR1226718A
(en )
1960-07-15
Improvements to steam generators
BE577873A
(en )
1959-08-17
Improvements to tubular steam generators
FR1154926A
(en )
1958-04-18
Improvements made to steam generators
FR1270452A
(en )
1961-08-25
Improvements to steam generators
FR1212856A
(en )
1960-03-28
Improvements to forced circulation steam generators
FR1263530A
(en )
1961-06-09
Improvements to steam generators
BE603282A
(en )
1961-09-01
Improvements to tubular steam generators
FR1274454A
(en )
1961-10-27
Improvements to steam generators
FR1201729A
(en )
1960-01-05
Improvements to steam generators
FR1225909A
(en )
1960-07-06
Improvements to tubular boilers
FR1287952A
(en )
1962-03-16
Improvements to tubular steam generators
BE581096A
(en )
1959-11-16
Improvements to tubular superheated steam generators.
FR1347937A
(en )
1964-01-04
Improvements made to aquatubular steam generators
FR1180526A
(en )
1959-06-04
Improvements to homopolar generators
FR1271517A
(en )
1961-09-15
Improvements to steam generators
BE601894A
(en )
1961-07-17
Improvements to steam generators
BE609634A
(en )
1962-04-26
Improvements to steam generators
FR1265421A
(en )
1961-06-30
Improvements to tubular boilers