FR830551A
(en )
1938-08-03
Development in dryers
FR849288A
(en )
1939-11-17
Improvements in radio-compasses
GR6992B
(en )
1937-12-07
HOW TO USE IRON PYRIC AND SOME OTHER MINERAL IRON MIXTURES IN ARCHITECTURE AND POTTERY.
FR821513A
(en )
1937-12-07
scuffer
FR829746A
(en )
1938-07-05
Handcuffs
GR6379B
(en )
1937-03-20
VELLOMETER TO DETERMINE THE RESISTANCE OF BEAMS AND SLABS.
FR833565A
(en )
1938-10-25
Timber construction
FR887413A
(en )
1943-11-12
Sand and gravel mixer
FR844923A
(en )
1939-08-04
Tie
GR8131B
(en )
1939-04-14
PERFECTIONS IN AND IN RELATION TO THE CONSTRUCTION OF WAISTBAND AND SIMILAR.
FR860330A
(en )
1941-01-11
Improvements in heat-insulating materials
FR821446A
(en )
1937-12-04
Crusher
FR826068A
(en )
1938-03-22
Concrete
GR13704B
(en )
1952-07-14
PERFECTIONS IN AND IN RELATION TO THE CONSTRUCTION OF CONCRETE PIPES.
ES143977A3
(en )
1938-01-16
Improvements in the manufacture of cement and asbestos plates.
ES143593A1
(en )
1941-06-16
Improvements in the manufacture of cement.
FR837000A
(en )
1939-01-31
Bulking materials and thickening agents
GR11748B
(en )
1948-07-28
PERFECTIONS IN STRUCTURAL ELEMENTS (BLOCKS) AND IN THEIR CONSTRUCTION AND USE.
GR248B
(en )
1922-02-28
FINISHING IN AND IN RELATION TO CEMENT AND CONCRETE.
ES146814A3
(en )
1941-03-01
Improvements in and related to iron manufacturing.
ES146825A3
(en )
1941-03-01
Improvements in and related to iron manufacturing.
ES144621A2
(en )
1941-03-01
IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT Ns 144616
FR821708A
(en )
1937-12-11
Silent lock
FR838682A
(en )
1939-03-13
Mixed ohmmeter
ES149354A1
(en )
1942-06-01
IMPROVEMENTS IN THE MANUFACTURE OF PLATES AND OTHER AGGLOMERATED CORK OBJECTS