GR580B
(en )
1924-03-04
IMPROVEMENTS IN PAPER CUP AND PAPER SHEET TO MAKE IT.
ES91100A1
(en )
1925-04-01
Improvements in and related to stencil sheets.
ES91101A1
(en )
1924-12-01
Improvements in and related to stencil sheets.
ES85795A1
(en )
1923-07-16
Improvements in paper bags and the like.
GB253596A
(en )
1926-06-18
Improvements in paper fasteners
ES94021A1
(en )
1925-10-16
Improvements in spreading sheets.
ES89669A1
(en )
1924-09-01
Improvements in radio-receivers.
GB245184A
(en )
1926-01-05
Improvements in paper fasteners
ES86738A3
(en )
1923-11-16
Improvements in paper bags.
ES92297A1
(en )
1925-04-16
Improvements in the manufacture of paper bags.
ES88454A1
(en )
1924-04-16
Improvements in cork products and their manufacture.
ES90469A1
(en )
1924-11-01
Improvements in mechanical pens.
ES90470A1
(en )
1924-09-16
Improvements in mechanical pens.
ES90140A1
(en )
1924-10-16
Improvements in radiotelegraphy and radiotelephony.
ES96781A1
(en )
1926-04-01
Improvements in the manufacture of cigarette paper sheets.
ES90916A1
(en )
1924-11-16
Improvements in the transmission of drawings and photographs by electricity.
GR901B
(en )
1925-05-12
PERFECTIONS IN PAPER PAPER (PAPER BAG).
ES84776A1
(en )
1923-06-01
Improvements in packaging.
ES99119A1
(en )
1926-11-01
Improvement in belts.
ES88453A1
(en )
1924-04-16
Improvements in cork agglomerates and their manufacture.
ES89224A1
(en )
1924-06-01
Improvements in the manufacture of writing papers.
ES96575A1
(en )
1926-03-16
Procedure in paper making machines.
ES87962A1
(en )
1924-03-01
Improvements in printing presses.
ES91462A1
(en )
1925-01-16
Improvements in espadrilles.
GR437B
(en )
1923-05-21
IMPROVEMENTS IN AND IN RELATION TO PHOTO-UNCEMICAL PRINTING.