CH167499A
(en )
1934-02-28
Wholemeal bread manufacturing process.
FR40129E
(en )
1932-04-20
Bandages manufacturing process
CH138306A
(en )
1930-02-28
Yeast manufacturing process.
FR714969A
(en )
1931-11-23
Bread-making process
FR715009A
(en )
1931-11-24
Chlorobenzol manufacturing process
FR740817A
(en )
1933-02-01
Yeast manufacturing process
CH151973A
(en )
1932-01-15
Film manufacturing process.
ES122812A1
(en )
1931-06-01
Candy manufacturing process.
FR652995A
(en )
1929-03-15
Bread making process
FR708842A
(en )
1931-07-29
Viscose manufacturing process
FR733409A
(en )
1932-10-05
Consistent grease manufacturing process
ES122644A1
(en )
1931-06-01
Chromos manufacturing process.
FR706934A
(en )
1931-07-01
The espadrilles manufacturing process
ES122169A1
(en )
1931-04-16
Mosaic manufacturing process.
FR690495A
(en )
1930-09-20
Chocolate manufacturing process
ES119115A1
(en )
1930-09-01
A process for the preparation of oxide cathodes.
FR750158A
(en )
1933-08-05
Yeast manufacturing process
FR766505A
(en )
1934-06-29
Yeast manufacturing process
FR782281A
(en )
1935-06-01
Yeast manufacturing process
ES117455A1
(en )
1930-04-16
Chocolate manufacturing process.
FR737416A
(en )
1932-12-12
Footwear manufacturing process
FR736304A
(en )
1932-11-22
Chlorinated carvacrols manufacturing process
ES119644A1
(en )
1930-10-16
A process for the manufacture of resitols.
ES120707A1
(en )
1930-12-16
A fire-flame manufacturing process.
ES122735A3
(en )
1931-06-01
Process for manufacturing hollow bodies.