CH53447A
(en )
1912-02-16
Method of binding books
CH69253A
(en )
1915-06-01
Method of wrapping objects
CH67259A
(en )
1914-11-16
Method of waterproofing paper
CH71033A
(en )
1915-11-16
Process for denicotinizing tobacco leaves
CH64248A
(en )
1914-03-16
Method of collecting sheets
CH54667A
(en )
1912-06-17
Method of depositing tissue
CH70776A
(en )
1915-11-01
Method for gluing paper
AT71201B
(en )
1916-02-25
Method of burning magnesite.
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH58392A
(en )
1913-03-01
Method of waterproofing hats
CH62658A
(en )
1913-12-16
Method of making fire boxes
CH69710A
(en )
1915-07-16
Method of filling vessels
CH59675A
(en )
1913-06-02
Process for purifying crude rosin oils
CH56652A
(en )
1912-11-16
Process for impregnating long timber
CH57543A
(en )
1913-01-16
Process for the preparation of b-b-dianthraquinonyl sulfide
CH62355A
(en )
1913-11-17
Process for thickening wood oil and related oils
CH70869A
(en )
1915-11-01
Method for drying grass
CH68864A
(en )
1915-05-01
Method of painting
CH76331A
(en )
1917-12-01
Method and apparatus for binding books and the like
CH61641A
(en )
1913-10-01
Method of joining rails
CH57991A
(en )
1913-02-17
Method of obtaining glue
CH58357A
(en )
1913-03-01
Method of wet charring peat
CH54324A
(en )
1912-05-17
Process for the representation of erythrene