CH77050A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77058A
(en )
1918-03-16
Process for the preparation of a copper-grade acidic dye
CH77030A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77048A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH76560A
(en )
1918-01-16
Process for the preparation of a copper-grade acidic dye
CH77023A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77027A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77053A
(en )
1918-03-16
Process for the preparation of a copper-grade acidic dye
CH77024A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77026A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77019A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77017A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77047A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77038A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77062A
(en )
1918-03-16
Process for the preparation of a copper-grade acidic dye
CH77041A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77042A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77057A
(en )
1918-03-16
Process for the preparation of a copper-grade acidic dye
CH77021A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77014A
(en )
1918-02-16
Process for the preparation of a copper-grade acidic dye
CH77044A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77061A
(en )
1918-03-16
Process for the preparation of a copper-grade acidic dye
CH77059A
(en )
1918-03-16
Process for the preparation of a copper-grade acidic dye
CH77035A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye
CH77037A
(en )
1918-03-01
Process for the preparation of a copper-grade acidic dye