CH73900A
(en )
1916-12-01
Method of making briquettes
CH75009A
(en )
1917-05-16
Method of making briquettes
CH73269A
(en )
1917-02-16
Method of making briquettes
CH76930A
(en )
1918-02-16
Method of making slippers
AT88396B
(en )
1922-05-10
Process for the production of iron-free hard alloys.
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH77220A
(en )
1918-03-16
Method of making briquettes
CH74747A
(en )
1917-09-01
Process for the preparation of Ă-aminoanthraquinone
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH62289A
(en )
1913-11-17
Method of making briquettes
AT87485B
(en )
1922-02-25
Method of making latticework.
AT87484B
(en )
1922-02-25
Method of making latticework.
AT87483B
(en )
1922-02-25
Method of making latticework.
CH69574A
(en )
1915-07-01
Method of making barrels
CH75450A
(en )
1917-08-01
Process for the production of floor wax
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
CH57230A
(en )
1913-01-02
Method of making briquettes
AT98925B
(en )
1924-12-27
Process for the manufacture of cartridge cases.
CH75449A
(en )
1917-08-01
Method for the preparation of vanillin
AT74197B
(en )
1918-02-25
Process for making margarine.
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH56981A
(en )
1912-12-02
Method of making vaults
CH74686A
(en )
1917-04-02
Process for the preparation of Anhydroecgoninäthylesternorpropanolbenzoat