CH80574A
(en )
1919-03-17
Belts and methods of making the same
CH76294A
(en )
1917-11-16
Briquette and method of making the same
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH74730A
(en )
1917-04-02
Device for making ropes
AT91983B
(en )
1923-03-26
Power transmission belt and process for its manufacture.
CH77220A
(en )
1918-03-16
Method of making briquettes
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH78054A
(en )
1918-10-01
Reinforced concrete stairs and method of making the same
CH82936A
(en )
1919-11-01
Key and method of making the same
CH75814A
(en )
1917-09-17
Mast and method of making the same
CH76930A
(en )
1918-02-16
Method of making slippers
CH72196A
(en )
1916-04-17
Hyperbolic wheel and method of making the same
CH74811A
(en )
1917-04-16
Device for producing brushwood waves and the like
CH69126A
(en )
1915-05-17
Structure, as well as method and device for the production of the same
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH77110A
(en )
1918-08-01
Process for the production of artificial leather
CH77381A
(en )
1918-09-02
Process for the production of artificial leather
CH75980A
(en )
1918-03-16
Process for the production of artificial leather
CH73900A
(en )
1916-12-01
Method of making briquettes
CH78070A
(en )
1918-11-01
Method of making briquettes
CH75029A
(en )
1917-05-16
Method of making briquettes
CH77094A
(en )
1918-03-01
Method of making briquettes
CH78053A
(en )
1918-06-17
Artificial building block and method of making the same
CH77382A
(en )
1918-04-16
Method of making stone wood