CH64661A
(en )
1914-04-16
Method for reinforcing pipes made of plastic mass
CH65639A
(en )
1914-07-01
Process for making sacks
CH71432A
(en )
1916-01-03
Process for the production of railway sleepers from reinforced concrete
CH61916A
(en )
1913-10-16
Process for the representation of erythrene
FR462089A
(en )
1914-01-19
Tassels and process for making them
CH67673A
(en )
1915-01-02
Method of packing
CH58673A
(en )
1913-03-17
Process for the preparation of erythrene from α-methyltrimethyleneimine
CH59000A
(en )
1913-04-16
Process for generating cold
CH60242A
(en )
1913-07-01
Process for the representation of erythrene
CH59152A
(en )
1913-04-16
Process for the representation of erythrene
CH58674A
(en )
1913-03-17
Process for the representation of erythrene
CH64241A
(en )
1914-03-16
Process for the production of a hard rubber-like mass
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH62685A
(en )
1913-12-16
Process for the preparation of bromo diethylacetylcarbamide
CH61922A
(en )
1913-10-16
Process for the representation of natural indigo-like pieces made of synthetic indigo
CH63137A
(en )
1914-01-02
Process for the production of plastic masses from carbohydrate esters
CH64529A
(en )
1914-04-01
Method of cementing objects made of soft iron
DK15968C
(en )
1912-05-13
Method of Making a Plastic Mass.
CH63569A
(en )
1914-02-02
Process for the preparation of acetaldehyde from acetylene
CH65921A
(en )
1914-07-16
Process for the preparation of acetaldehyde from acetylene
CH58668A
(en )
1913-03-17
Process for the preparation of monozinc formaldehyde sulfoxylate
CH58772A
(en )
1913-04-01
Process for the preparation of hydroquinine
CH65736A
(en )
1914-07-01
Process for the preparation of acetperacid from acetaldehyde