CH72001A
(en )
1916-03-16
Process for the manufacture of an agent for driving away Bremen and other insects
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH56601A
(en )
1912-11-16
Process for the manufacture of an agent for impregnating and making footwear durable
CH72912A
(en )
1916-07-17
Process for the preparation of an agent for combating meltau and other plant pests
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH72696A
(en )
1916-06-16
Process for the preparation of an o-oxymonoazo dye
CH72055A
(en )
1916-04-01
Process for the preparation of an o-oxymonoazo dye
CH72697A
(en )
1916-06-16
Process for the preparation of an o-oxymonoazo dye
CH72698A
(en )
1916-06-16
Process for the preparation of an o-oxymonoazo dye
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH72524A
(en )
1916-06-02
Method and device for making the bodies of embroidery machine boats
CH76306A
(en )
1917-12-01
Method of making embroidery
CH72196A
(en )
1916-04-17
Hyperbolic wheel and method of making the same
CH72640A
(en )
1916-06-16
Process for the production of macroscopic permanent specimens
CH70771A
(en )
1915-11-01
Process for the preparation of an anthraquinone derivative
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH77319A
(en )
1918-08-16
Method and device for the manufacture of hulls from reinforced concrete
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH48099A
(en )
1910-09-16
Process for the manufacture of an agent for absorbing sticky substances
CH82936A
(en )
1919-11-01
Key and method of making the same
CH54499A
(en )
1912-06-01
Process for the preparation of an orthooxymonoazo dye
CH55480A
(en )
1912-08-16
Process for the preparation of an orthooxymonoazo dye
CH55481A
(en )
1912-08-16
Process for the preparation of an orthooxymonoazo dye