AT98665B
(en )
1924-12-10
Process for the production of tanning substances.
CH101173A
(en )
1923-09-01
Process for the production of primers.
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
AT91349B
(en )
1923-02-26
Process for the production of leather.
CH76592A
(en )
1918-01-16
Process for the production of fittings
CH81317A
(en )
1919-06-02
Process for the production of leather
CH76586A
(en )
1918-01-16
Process for the production of cork boards
AT88401B
(en )
1922-05-10
Process for the production of zinc-lead paints.
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH75534A
(en )
1917-08-01
Process for the production of etched figures
AT98925B
(en )
1924-12-27
Process for the manufacture of cartridge cases.
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH79130A
(en )
1918-10-01
Process for the production of a tanning agent
CH79015A
(en )
1918-10-01
Process for the production of a tanning agent
CH78797A
(en )
1918-09-02
Process for the production of a tanning agent
CH78282A
(en )
1918-07-01
Process for the production of a tanning agent
CH77112A
(en )
1918-03-01
Process for making shoes
AT80091B
(en )
1920-02-25
Process for the preparation of caramel. Process for the preparation of caramel.
AT88463B
(en )
1922-05-26
Process for the production of cyanate alkali.
AT88464B
(en )
1922-05-26
Process for the production of alkali cyanate.
AT89533B
(en )
1922-09-25
Process for the production of resinous bodies.