CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH76064A
(en )
1917-11-01
Process for the production of briquettes from sawdust
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH70403A
(en )
1915-09-16
Process for the production of wood briquettes
CH76307A
(en )
1917-12-01
Process for the production of flat structures from waste material
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH67392A
(en )
1914-12-01
Process for the production of sawdust briquettes
CH78400A
(en )
1918-12-02
Process for briquetting fuel waste
CH76173A
(en )
1918-04-01
Process for the production of shaped pieces from coal dust
CH77220A
(en )
1918-03-16
Method of making briquettes
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH72256A
(en )
1916-04-17
Process for the production of briquettes from waste materials that can be used as fuel
CH54624A
(en )
1912-06-01
Process for the production of briquettes from vegetable matter
CH79838A
(en )
1919-01-16
Process for the production of flat structures from compressible material waste
CH77143A
(en )
1918-03-01
Process for the production of molded parts from cellulosic materials
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH75154A
(en )
1917-06-01
Process for the production of shaped pieces from fodder
CH75029A
(en )
1917-05-16
Method of making briquettes
CH78070A
(en )
1918-11-01
Method of making briquettes
CH76592A
(en )
1918-01-16
Process for the production of fittings
AT91423B
(en )
1923-02-26
Process for the production of helical gears consisting of several discs.
CH76805A
(en )
1918-06-17
process for the production of nutrient pulp