AT53130B
(en )
1912-04-25
Process for the manufacture of manhole linings.
AT46651B
(en )
1911-02-25
Process for the manufacture of tubes.
AT48394B
(en )
1911-06-10
Process for the production of chain vertebrae.
CH58146A
(en )
1913-02-17
Process for the preparation of Bromdiäthylacetylisourstoffmethyläther
CH50536A
(en )
1911-06-01
Process for the manufacture of filters
AT54035B
(en )
1912-06-25
Process for the production of strips of fastening pins.
CH51815A
(en )
1911-09-16
Process for the manufacture of shaped articles
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH51290A
(en )
1911-08-16
Process for the production of low-smoke gunpowder
AT82991B
(en )
1921-02-25
Process for the production of hydrogen.
CH55315A
(en )
1912-08-01
Process for the production of road surfaces
CH55404A
(en )
1912-08-16
Process for the improvement of fluids
AT46741B
(en )
1911-02-25
Process for the production of lace.
CH54174A
(en )
1912-05-01
Process for the manufacture of pliable electrolyte iron
CH52500A
(en )
1911-11-16
Process for the preparation of ßy-dimethyl-ay-butadiene
CH58145A
(en )
1913-02-17
Process for the preparation of Bromdiäthylacetylisourstoffmethyläther
CH52112A
(en )
1911-11-01
Process for the preparation of ßy-dimethyl-ay-butadiene
CH55374A
(en )
1912-08-16
Procedure for the representation of tetrabromindigio
CH54092A
(en )
1912-05-01
process for the manufacture of fire starters
CH66647A
(en )
1914-10-01
Process for making low-smoke gunpowder
CH70994A
(en )
1915-11-16
Process for making low-smoke gunpowder
CH52690A
(en )
1911-12-16
Process for the manufacture of abrasive cloths
CH52279A
(en )
1911-11-01
Process for the production of tannin extracts
CH47916A
(en )
1910-08-16
Process for the manufacture of one-piece wrought iron keys
AT51875B
(en )
1912-01-25
Process and device for the production of superphosphate.