CH145449A
(en )
1931-02-28
Process for purifying vat dyes of the anthanthrone series.
CH127227A
(en )
1928-08-16
Method of cleaning laundry without boiling it.
AT127013B
(en )
1932-02-25
Process for treating rubber.
CH133259A
(en )
1929-05-31
Procedure for machining bearings.
FR669926A
(en )
1929-11-22
Dyeing process
AT108691B
(en )
1928-01-25
Method of dyeing hat stumps.
CH145452A
(en )
1931-02-28
Process for the preparation of a vat dye of the anthraquinone series.
AT108683B
(en )
1928-01-25
Process for the preparation of dyes of the anthraquinone series.
AT121405B
(en )
1931-02-25
Process for drying fuels.
AT107437B
(en )
1927-10-10
Method of decorating fabrics.
CH145613A
(en )
1931-02-28
Process for the preparation of a vat dye containing bromine.
CH145612A
(en )
1931-02-28
Process for the preparation of a vat dye containing bromine.
CH138289A
(en )
1930-02-28
Method of spinning rayon.
CH145616A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145624A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145619A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145620A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145621A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145622A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145623A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145618A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145614A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145450A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145615A
(en )
1931-02-28
Process for the preparation of a vat dye.
CH145617A
(en )
1931-02-28
Process for the preparation of a vat dye.