GR4152B
(en )
1933-05-16
PERFECTIONS IN THE MANUFACTURE OF METAL BARRELS IN GENERAL.
GR4061B
(en )
1933-02-16
PERFECTIONS IN THE MANUFACTURE OF CRUSHES.
GR4068B
(en )
1933-02-22
PERFECTIONS OF THE RESISTANT.
CH167421A
(en )
1934-02-28
Harmony.
ES136891A1
(en )
1935-05-01
Perfections introduced in the camera.
GR5339B
(en )
1935-07-03
PERFECTIONS OF THE GRILL OF CARS LOADING.
ES139403A3
(en )
1936-01-16
Improvements in the construction of metal barrels.
ES126272A1
(en )
1932-05-01
Perfections in the manufacture of metal alloys.
ES130261A1
(en )
1933-05-16
Perfections in the manufacture of fabrics.
FR778991A
(en )
1935-03-27
Metal shelving
ES137059A1
(en )
1935-05-16
Improvements in the manufacture of refrigerators.
ES130328A1
(en )
1933-06-01
Improvement in the manufacture of sprayers.
ES131750A1
(en )
1934-01-01
Improvements in the construction of anti-thermal metal blinds.
ES129654A3
(en )
1933-04-01
Improvements in the manufacture of wooden barrels.
ES4111Y
(en )
1936-05-16
Heater.
ES128167A1
(en )
1932-11-16
Perfections introduced in the emptying of copper.
DK52656C
(en )
1937-02-01
Siren.
DK54269C
(en )
1938-01-31
Siren.
ES2454Y
(en )
1934-09-16
Metallic sommier.
ES141851A1
(en )
1936-06-16
Perfections in the manufacture of alloys.
ES135618A1
(en )
1935-02-16
Perfeccionamientos in the manufacture of espadrilles.
ES134977A1
(en )
1934-08-16
Perfections in the construction of machine guns.
ES130045A1
(en )
1934-05-16
Improvements in the manufacture of metal wheels.
ES139416A1
(en )
1936-01-16
Improvements in the procedure to join glass and metal.
ES139520A1
(en )
1936-04-01
Improvements in the procedure to join glass and metal.