FR631558A
(en )
1927-12-22
Improvements in magnetic and radio direction finding
GR1947B
(en )
1928-08-17
PERFECTIONS IN THE PRODUCTION OF IRON AND SULFUM OXIDE.
GR3255B
(en )
1931-06-24
PERFECTIONS IN THE METHOD OF MANUFACTURE OF BIBLIORS IN WHICH DRYING AND DRYING ARE COMBINED IN ONE WORK.
GR2018B
(en )
1928-10-17
PERFECTIONS IN OR IN RELATION TO THE PRODUCTION OF CONCRETE OR CELLULAR CONCRETE AND SIMILAR MATERIAL.
GR1859B
(en )
1928-06-02
METHOD FOR THE PREPARATION OF GOOD AND ECONOMICS IN THE USE OF ADHESIVES.
ES104446A1
(en )
1927-12-01
Perfections in the manufacture of nickel-cobalt and iron alloys.
GR1082B
(en )
1925-12-29
IMPROVEMENTS IN THE USE OF CEIL METAL CEMENT IN THE OVENS.
GR2366B
(en )
1929-07-10
PERFECTIONS IN THE CONSTRUCTION OF DIVING ROOMS.
ES107771A1
(en )
1928-07-16
Improvements in the production of iron oxide and sulfur.
ES92075A1
(en )
1925-04-16
Improvements in the manufacture of varnished tiles and tiles.
ES104644A1
(en )
1927-12-01
Improvements introduced in the manufacture of mattresses.
GR2404B
(en )
1929-08-05
PERFECTIONS IN AND IN RELATION TO SECONDARY ELECTRICAL ELEMENTS.
ES112681A1
(en )
1929-07-01
An improvement in the manufacture of leggings and leggings.
GR2903B
(en )
1930-09-02
PERFECTIONS IN THE INDUSTRIAL MANUFACTURE OF ARTIFICIAL LEATHER.
GR1655B
(en )
1927-10-29
PERFECTIONS IN CARBURETERS.
GR2511B
(en )
1929-11-15
METHOD OF MANUFACTURE OF EMERALS AND SIMILAR.
GR1786B
(en )
1928-03-30
BUILDING MATERIAL AND HOW TO BUILD IT.
ES110729A1
(en )
1929-02-16
An improvement in the manufacture of tapes.
GR1175B
(en )
1926-04-29
PERFECTIONS IN THE BALANCE OF RADIOGONOMETERS.
ES100169A3
(en )
1927-01-01
Improvement in the manufacture of tapes.
GR2278B
(en )
1929-04-29
PERFECTIONS IN THE WAYS OF PROCESSING BEVERAGES.
GR1747B
(en )
1928-02-14
PERFECTIONS IN ELECTRIC LAMPS AND THEIR APPLICATION.
ES110255A1
(en )
1929-04-01
Perfections introduced in the manufacture of corsets.
GR4061B
(en )
1933-02-16
PERFECTIONS IN THE MANUFACTURE OF CRUSHES.
ES102655A1
(en )
1927-06-16
An improvement in the manufacture and construction of all kinds of objects and cement works.