FR865827A
(en )
1941-06-05
New method for destroying structures such as bridges, railways and the like
FR846760A
(en )
1939-09-26
Method for the construction of welded cases or boxes for valves, valves and the like
CH219438A
(en )
1942-02-15
Method and device for determining the angular velocity of flying projectiles.
SU71971A1
(en )
1947-11-30
The method of purification of petroleum distillates from naphthenic acids
FR936181A
(en )
1948-07-12
Method and apparatus for manufacturing short prestressed concrete parts such as railway sleepers and the like
FR864983A
(en )
1941-05-09
Aerodyne fuselage construction method
AT171261B
(en )
1952-05-10
Method for building roads or the like.
FR971367A
(en )
1951-01-16
Method for the protection of fiduciary papers and the like
FR844072A
(en )
1939-07-18
Pilots, piles or the like, as well as method and device for their anchoring
GR7793B
(en )
1938-11-23
MACHINE FOR INSTALLATION OF EIGHTH BRIDGE BEAMS AND BUILDINGS.
FR866281A
(en )
1941-07-21
Locking device for nut, bolt or the like
ES158682A1
(en )
1943-03-01
A SYSTEM FOR THE CONSTRUCTION OF BRIDGES
FR872067A
(en )
1942-05-28
Removable fixing for airplane wings or the like
FR884476A
(en )
1943-08-18
Method for laying railway tracks in progress
GR21067B
(en )
1960-07-18
AUTOMATIC MECHANISM FOR EARLY WARNING OF DRIVERS WITHOUT THE CROSSINGS OF HIGHWAYS AND RAILWAYS DURING THE CROSSING.
FR52255E
(en )
1943-12-01
Process for the extraction of oily materials and by-products of cellulosic origin
GR8879B
(en )
1940-03-26
METHOD OF USING MIXTURES OF ASPHALT MATERIALS AND SANDY PRODUCTS.
ES151691A1
(en )
1943-03-01
A PERFECTED SYSTEM FOR THE CONSTRUCTION OF CEILINGS OF CEMENT OR ARMED CONCRETE
FR839284A
(en )
1939-03-30
New light printing system and economical method of obtaining the articles which may result
FR971400A
(en )
1951-01-16
Advanced landing gear
ES150034A1
(en )
1942-06-01
APPARATUS FOR THE EXECUTION OF ARTIFICIAL BREATHING
GR9209B
(en )
1940-09-07
LIGHTED TILES FOR LARGE AND SAFE SLOPES.
GR9364B
(en )
1940-12-17
METHOD FOR THE PREPARATION OF INSOLVABLE DOUBLE JOINTS OF THE XANTHINI OR PYRALOZONE SERIES.
GR9078B
(en )
1940-07-03
METHOD AND MEANS OF MAINTENANCE AND TRANSPORTATION OF FRESH GRAPES.
GR9295B
(en )
1940-10-11
METHOD OF RECYCLING AND REUSE OF OLD MATERIALS OF ASPHALT COATINGS OF ALL TYPES, IN COLD.