AT23189B
(en )
1906-02-26
Process for dedusting ventilation of carding rooms u. like workspaces.
AT181608B
(en )
1955-04-12
Process for refining metals
AT54816B
(en )
1912-08-10
Process and installation for the continuous tanning of hides.
CH48924A
(en )
1910-12-16
Scraper tool for cleaning ceilings and walls
FR368213A
(en )
1906-11-22
Ventilation process for tunnels and undergrounds
CH42528A
(en )
1909-02-01
Method of pickling hides and hides
CH46443A
(en )
1910-03-16
Method of processing grain
CH47091A
(en )
1910-06-01
Process and device for heating work equipment
CH43961A
(en )
1909-07-01
Process and system for impregnating wood
FR388855A
(en )
1908-08-25
Process for treating quebracho extracts
CH42567A
(en )
1909-02-01
Process for reducing alumina
FR386634A
(en )
1908-06-18
Process for treating poor sulphide ores
FR387132A
(en )
1908-07-01
Method of drilling metal blocks
AT23795B
(en )
1906-04-10
Process for the refinement of iron ores u. like
CH41203A
(en )
1908-10-01
Process for hardening roof and wall cladding panels
CH41737A
(en )
1908-11-16
Method for dressing the end faces of clay tubes
FR346937A
(en )
1905-02-15
Mitten
CH43274A
(en )
1909-04-16
Process for the production of building structures
AT22828B
(en )
1906-01-25
Method and device for washing filter mass.
CH37929A
(en )
1907-08-31
Device for one-sided painting of metal strips
FR9901E
(en )
1909-03-06
Process for processing quebracho extracts
CH29921A
(en )
1904-10-15
Fire-proof covering for iron and wooden structural components
FR345623A
(en )
1904-12-06
Glove
FR343441A
(en )
1904-10-06
Advanced glove system
FR398570A
(en )
1909-06-08
Cementation process