CH43094A
(en )
1909-05-01
Process for the production of insulation material in roll form
CH47150A
(en )
1910-06-01
Process for the production of corrugated iron containers
CH42842A
(en )
1909-03-01
Process for the production of seamless tramways
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth
CH48552A
(en )
1910-11-01
Process for the production of allophanoic acid antalole ester
CH44584A
(en )
1909-09-01
Process for the production of insulating pipes
CH43589A
(en )
1909-05-17
Process for the production of wood briquettes
CH45108A
(en )
1909-10-16
Process for the production of picture frames
CH45901A
(en )
1910-01-03
Process for the production of ornamented stuff
CH42735A
(en )
1909-02-16
Process for the production of weatherproof whitewash
CH44653A
(en )
1909-09-01
Process for the production of hard alcohol
CH41251A
(en )
1908-10-01
Process for the production of permanent roofing felt
CH43378A
(en )
1909-05-01
Process for the production of accumulator electrodes
CH41567A
(en )
1908-11-02
Process for making durable roof cladding material
CH45283A
(en )
1909-11-01
Process for the production of handles with thermal insulation coating
CH40642A
(en )
1908-08-01
Process for making soap
CH45063A
(en )
1909-10-01
Process for the production of allophanoic acid antalole ester
CH48553A
(en )
1910-11-01
Process for the production of allophanoic acid antalole ester
CH40993A
(en )
1908-09-01
Process for the production of camphor
CH45325A
(en )
1909-11-16
Process for the production of photographic recording material
CH44531A
(en )
1909-08-16
Process for the manufacture of creped paper
CH43486A
(en )
1909-05-17
Process for the production of printing plates
CH44994A
(en )
1909-10-01
Process for making low-coffee coffee
CH41669A
(en )
1908-11-02
Innovation in the process for the production of mica plates for the insulation of collector lamellas
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear