GR2000B
(en )
1928-12-01
GROUNDWATER MINING METHOD AND TRANSPORT MACHINE (TRANSPORT) THIS.
SU8786A1
(en )
1929-03-30
Template for setting the widths of the bag
GR2008B
(en )
1928-10-06
CONCENTRATION AND DISPOSAL MACHINE.
GR2422B
(en )
1929-08-21
MINING METHODS AND DEVICES.
GR1831B
(en )
1928-05-09
MARBLE CUTTING MACHINE AND METHOD.
GR1492B
(en )
1927-05-04
CONSTRUCTION METHOD AND THIS BUILDING MATERIAL.
GR1904B
(en )
1928-07-09
SYSTEM AND MACHINERY FOR OIL PRODUCERS.
DK45829C
(en )
1932-06-20
Device for precision drilling machines and the like.
GR1511B
(en )
1927-05-26
MECHANISM IN MACHINE FOR FIXING THE STONE LAYER AND THE SAME.
ES107547A3
(en )
1928-07-01
Improvements in apparatus for excavating and drilling tunnels and wells.
ES107792A1
(en )
1928-07-16
Perfection in equipment for excavations, drilling and drilling.
AT112324B
(en )
1929-02-25
Machine for rolling up sleeves.
GR2126B
(en )
1929-01-21
THOUGHT NUMBERED, FOR TACHYMETRIC AND TOPOGRAPHIC WORK.
GR1725B
(en )
1928-01-27
SPECIAL BANK AND SPECIAL PACKAGING FOR TOBACCO PROCESSING.
GR2102B
(en )
1929-01-08
MACHINE FOR CRUSHING AND SORTING ALMONDS.
GR2946B
(en )
1930-10-25
CRYSTAL PROCESSING SYSTEM AND MACHINE.
GR1715B
(en )
1928-01-16
CONTINUOUS CONDENSER AND STORAGE MACHINE.
GR3069B
(en )
1931-01-20
SPECIAL BANK AND SPECIAL PACKAGING FOR TOBACCO PROCESSING.
GR2206B
(en )
1929-03-11
IMPROVEMENTS IN THOUGHT NUMBERED FOR TACHYMETRIC AND TOPOGRAPHIC WORK.
GR1579B
(en )
1927-08-17
IMPROVEMENTS IN MACHINERY AND METHOD OF USING THEM TO IMPRESS THE SOIL BY AERIAL PHOTOS WITHOUT TRIGONOMETRICS.
GR1264B
(en )
1926-08-16
MACHINERY AND METHOD OF USING THESE STANDARDIZATION OF THE SOIL BY AERIAL PHOTOGRAPHS, WITHOUT TRIGONOMETRIC POINTS.
GR638B
(en )
1924-05-20
PROCEDURE AND SYSTEM FOR USING GRAVITY.
DK39749C
(en )
1929-01-28
Earth Treatment Machine.
ES116084A1
(en )
1930-01-16
AN APPARATUS FOR CARRYING OUT THE FUNDAMENTAL ARITHMETIC OPERATIONS.
DK42881C
(en )
1930-09-01
Saddle digging machine.