CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH76063A
(en )
1917-11-01
Method and device for the production of peat and other briquettes
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
AT82869B
(en )
1921-02-25
Process for the production of smokeless and metal-free flares.
AT82868B
(en )
1921-02-25
Process for the production of smokeless and metal-free flares.
AT82867B
(en )
1921-02-25
Process for the production of smokeless and metal-free flares.
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH77220A
(en )
1918-03-16
Method of making briquettes
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH78352A
(en )
1918-07-16
Process for producing cigarettes which can be ignited on friction surfaces
CH76325A
(en )
1917-12-01
Process for producing cigarettes which can be ignited on friction surfaces
CH74730A
(en )
1917-04-02
Device for making ropes
CH76405A
(en )
1917-12-17
Process for the manufacture of refractory products
AT91423B
(en )
1923-02-26
Process for the production of helical gears consisting of several discs.
CH75490A
(en )
1917-08-01
Machine for the production of briquettes
CH76064A
(en )
1917-11-01
Process for the production of briquettes from sawdust
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH75029A
(en )
1917-05-16
Method of making briquettes
CH77094A
(en )
1918-03-01
Method of making briquettes
CH78070A
(en )
1918-11-01
Method of making briquettes
CH75281A
(en )
1917-08-16
Holders for candles and matchboxes