CH82939A
(en )
1919-11-01
Briquette and process for its manufacture
CH77895A
(en )
1918-11-01
Briquette and process for its manufacture
CH78689A
(en )
1918-08-16
Headed studs and process for their manufacture
CH78688A
(en )
1918-08-16
Soldering iron and process for its manufacture
CH86573A
(en )
1920-09-01
Process for the production of gravure forms.
CH97640A
(en )
1923-02-01
Primers and processes for their manufacture.
CH79146A
(en )
1918-10-01
Method of making briquettes
AT82974B
(en )
1921-02-25
Bottle stopper and process for its manufacture.
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH78765A
(en )
1918-09-02
Method of making briquettes
AT87350B
(en )
1922-02-25
Piston ring and process for its manufacture.
CH79805A
(en )
1919-01-16
Adhesives and paints and processes for their manufacture
CH80701A
(en )
1919-04-01
Waterproof leather substitute and process for its manufacture
CH79810A
(en )
1919-04-16
Waterproof leather substitute and process for its manufacture
AT98995B
(en )
1925-01-10
Process for the production of peat powder and peat briquettes.
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
AT96138B
(en )
1924-02-25
Process for the production of fuel.
CH78523A
(en )
1918-08-01
Brush and method of making it
CH80938A
(en )
1919-04-16
Briquette and method and device for its production
AT98968B
(en )
1925-01-10
Process for the production of briquettes from fuel.
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH78308A
(en )
1918-07-01
Process and device for the production of dry fuels
AT100191B
(en )
1925-06-10
Process for preparing gels.
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
CH79922A
(en )
1919-06-02
Machine for the production of briquettes