FR800440A
(en )
1936-07-04
Electronic amplifier
GR3831B
(en )
1932-09-27
TYPE OF BAROMETER GREAT SENSITIVITY AND PRECISION.
FR48753E
(en )
1938-06-23
Electronic amplifier
FR756733A
(en )
1933-12-14
Altimeter
FR751110A
(en )
1933-08-28
Development of side-unloading trucks
GR3766B
(en )
1932-08-04
NEW DEXTROSE AND LEVILOSE MANUFACTURING SYSTEM.
FR769759A
(en )
1934-09-01
Flail with sliders for romans, scales and the like of all kinds
GR5409B
(en )
1935-08-29
SEEDS OF CEREALS AND LEGUM.
GR3978B
(en )
1932-12-31
KIND OF BUTTON AND Buckle.
ES127224A1
(en )
1932-08-16
Set of templates or dial gauges.
ES1038Y
(en )
1932-11-16
Seal for balances and scales.
GR7052B
(en )
1937-12-30
AUTOMATIC TABLE - INDICATION OF DOUBLE AND COMPLEX SOCIAL INSURANCE PERSONS - WORKER AND EMPLOYER.
FR732891A
(en )
1932-09-27
Dynamometer
GR6273B
(en )
1937-02-04
EXPLOSIVE MATERIALS AND METHODS OF MAKING THEM.
ES127649A1
(en )
1932-12-16
Calculating instrument of aircraft characteristics.
FR756874A
(en )
1933-12-16
Further development of scales
DK51951C
(en )
1936-08-03
String and String Instrument.
GR6583B
(en )
1937-06-12
WEIGHING INSTRUMENT COMBINING THE USE OF WEIGHT AND STATER.
FR740910A
(en )
1933-02-03
Static booster-step-down
ES143038A1
(en )
1936-10-16
An improvement in the construction of scales.
ES132835A1
(en )
1934-02-01
Improvement in the manufacture of drums and other percussion instruments.
FR794732A
(en )
1936-02-24
Monostatic tacho altimeter
GR3481B
(en )
1932-01-14
OPINIONS CIRCULAR TO MEASURE AND IMPRESS THE ANGLES AND DISTANCES.
FI15840A
(en )
1934-04-27
Writing and Drawing Platform
GR3622B
(en )
1932-04-14
METHOD OF USE OPERATION AND MANUFACTURE OF TOBACCO PRODUCTS.