CH269300A
(en )
1950-06-30
Gas turbine and blower unit.
AT162425B
(en )
1949-02-25
Hollow stone to accommodate smoke exhaust pipes and chimney shaft built from these hollow stones
FR1001700A
(en )
1952-02-26
Bricks and construction method
FR946953A
(en )
1949-06-20
Pre-refrigeration and purification of gas mixtures before liquefaction
CH257327A
(en )
1948-10-15
Device for making grooves in stone and masonry.
AT181208B
(en )
1955-02-25
Arrangement of the muffler
FR934594A
(en )
1948-05-26
Improvements to ceramic slabs and the like
FR55148E
(en )
1951-06-06
Improvements to portable lamps, portable lamps and others
FR946252A
(en )
1949-05-30
Improvements made to the construction of roofs, covers and their equivalent
ES172644A1
(en )
1946-04-16
IMPROVED IMPROVEMENTS IN THE MANUFACTURE OF WOODEN OR CARBON CHIMNEYS
AT183153B
(en )
1955-09-10
Process for burning solid fuels and combustion plant for carrying out the process
FI21567A
(en )
1946-10-15
Brush making method and brush made according to it
FR952897A
(en )
1949-11-25
Improvements to turbines and the like
FR927949A
(en )
1947-11-13
Improvements to mixers and the like
GB616023A
(en )
1949-01-14
Improvements in or relating to roundabouts
FR929814A
(en )
1948-01-08
Improvements to the game of solitaire
FR927917A
(en )
1947-11-13
Improvements to decorative aquariums
FR926978A
(en )
1947-10-16
Improvements made to tillers
FR924833A
(en )
1947-08-18
Improvements to rotating joints
ES173777A1
(en )
1947-11-16
IMPROVEMENTS IN AND RELATED TO THE MANUFACTURE OF CERILLAS BOOK
FI23890A
(en )
1949-08-10
The detonation measures are intended to be controlled and controlled
FI21561A
(en )
1946-09-10
Game cube and how to make it
FR939006A
(en )
1948-11-02
Improvements to amplification reducers
ES185470A1
(en )
1949-02-01
IMPROVEMENTS IN THE CONSTRUCTION OF MACHINES TO TURNING RODS OR SIMILAR
ES173617A1
(en )
1946-07-01
IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF HIVES