CH45814A
(en )
1909-12-16
Process for impregnating wood
CH48253A
(en )
1910-10-01
Process for preserving wood
CH67460A
(en )
1914-12-01
Process for impregnating wood
CH69807A
(en )
1915-07-16
Process for impregnating wood
CH41634A
(en )
1908-11-02
Process for staining wood
CH56652A
(en )
1912-11-16
Process for impregnating long timber
CH41633A
(en )
1908-11-02
Process for preserving wood by impregnation
CH71231A
(en )
1915-12-16
Process for impregnating wood
CH43961A
(en )
1909-07-01
Process and system for impregnating wood
AT46623B
(en )
1911-02-25
Method of preserving wood.
CH49463A
(en )
1911-04-01
Method of steaming wood
AT46624B
(en )
1911-02-25
Pickling process for wood.
CH73218A
(en )
1916-09-01
Process for preserving wood
CH49306A
(en )
1911-02-01
Process and system for impregnating wood
CH50232A
(en )
1911-05-01
Method for producing matrices
CH47306A
(en )
1910-06-16
Oven for drying out new buildings
CH59952A
(en )
1913-06-16
Process for drying materials such as B. wood, leather etc.
CH40456A
(en )
1908-07-16
Process for dearsenating acids
AT23101B
(en )
1906-02-26
Process for absorbing gases or vapors.
CH47647A
(en )
1910-07-16
Device for cleaning floors
CH41284A
(en )
1908-10-01
Process for preserving chocolate
CH47906A
(en )
1910-08-16
Device for laying floors
CH47835A
(en )
1910-08-16
Method for fastening objects, namely machines, to floors
CH66170A
(en )
1914-08-17
Process for preserving the wooden structural parts of buildings of all types, especially those with a framework
AT41186B
(en )
1910-02-25
Process for softening mica.