CH82290A
(en )
1919-09-16
Device for making a wood connection
FR513869A
(en )
1921-02-25
Automatic coupling
CH108486A
(en )
1925-01-16
Process for making a stable diazo compound.
CH82593A
(en )
1919-10-01
Process for making a coffee essence
CH81594A
(en )
1919-06-16
Pan-like device for making Knöpfli
FR510346A
(en )
1920-12-02
Carburetor
DK24476C
(en )
1919-05-05
Procedure for bringing wood into a permanently flexible state.
FR496984A
(en )
1919-11-21
Automatic carburettor
FR502483A
(en )
1920-05-15
Automatic carburettor
FR507468A
(en )
1920-09-16
Automatic carburettor
FI7613A
(en )
1919-10-14
For a ruler
CH82617A
(en )
1919-10-16
Tenon mark
FR512018A
(en )
1921-01-13
Automatic carburettor
FR23226E
(en )
1921-10-18
Automatic carburettor
CH108848A
(en )
1925-02-02
Process for making a stable diazo compound.
CH108853A
(en )
1925-02-02
Process for making a stable diazo compound.
CH127430A
(en )
1928-09-01
Process for making a stable diazo compound.
CH127431A
(en )
1928-09-01
Process for making a stable diazo compound.
CH127433A
(en )
1928-09-01
Process for making a stable diazo compound.
CH127434A
(en )
1928-09-01
Process for making a stable diazo compound.
CH127435A
(en )
1928-09-01
Process for making a stable diazo compound.
CH127436A
(en )
1928-09-01
Process for making a stable diazo compound.
CH127437A
(en )
1928-09-01
Process for making a stable diazo compound.
CH108852A
(en )
1925-02-02
Process for making a stable diazo compound.
CH108850A
(en )
1925-02-02
Process for making a stable diazo compound.