CH82640A
(en )
1919-10-16
Method of making an artificial abrasive
CH80665A
(en )
1919-09-01
Process for the production of an artificial stone
CH78279A
(en )
1918-07-01
Method of making a lubricant
CH79955A
(en )
1919-01-16
Method of making a food
CH79146A
(en )
1918-10-01
Method of making briquettes
CH78353A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78354A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78355A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78356A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78357A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78358A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78359A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78360A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78361A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78362A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78363A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78364A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78365A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78366A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78367A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78368A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78369A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH78370A
(en )
1918-07-16
Process for the preparation of an acidic disazo dye
CH79012A
(en )
1919-02-17
Process for the preparation of an acidic disazo dye
CH79013A
(en )
1919-02-17
Process for the preparation of an acidic disazo dye