CH45108A
(en )
1909-10-16
Process for the production of picture frames
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
CH40993A
(en )
1908-09-01
Process for the production of camphor
CH45325A
(en )
1909-11-16
Process for the production of photographic recording material
CH44653A
(en )
1909-09-01
Process for the production of hard alcohol
CH42842A
(en )
1909-03-01
Process for the production of seamless tramways
CH44434A
(en )
1909-08-02
Process for the preparation of tribromoacetylsalicylic acid
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH50659A
(en )
1911-06-16
Process for the production of structural parts
CH45307A
(en )
1909-11-01
Process for the manufacture of shoe caps
CH40642A
(en )
1908-08-01
Process for making soap
CH43864A
(en )
1909-06-16
Process for manufacturing components
CH44225A
(en )
1909-08-02
Process for the production of hydrocyanic acid
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH42735A
(en )
1909-02-16
Process for the production of weatherproof whitewash
CH48553A
(en )
1910-11-01
Process for the production of allophanoic acid antalole ester
CH45063A
(en )
1909-10-01
Process for the production of allophanoic acid antalole ester
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear
CH43182A
(en )
1909-06-01
Process for the manufacture of filter crucibles
CH40186A
(en )
1908-06-16
Process for the production of sodium persulfate
CH43474A
(en )
1909-05-17
Process for the production of aluminum nitride
AT43577B
(en )
1910-08-10
Process for the preparation of β-naphtindoxyl.
AT57871B
(en )
1913-02-25
Process for the preparation of chlorotribomoindigo.
CH41251A
(en )
1908-10-01
Process for the production of permanent roofing felt