CH43274A
(en )
1909-04-16
Process for the production of building structures
AT36344B
(en )
1909-02-25
Process for the production of asbestos cement panels.
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH40972A
(en )
1908-09-01
Process for the manufacture of cellulosic structures
CH40275A
(en )
1908-06-16
Process for the production of ammonium persulfate
CH40186A
(en )
1908-06-16
Process for the production of sodium persulfate
CH39999A
(en )
1908-05-16
Form element for the production of concrete rib beams
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
AT41028B
(en )
1910-02-25
Process for the production of water-binding hydrocarbons.
CH41583A
(en )
1908-11-02
Process for the continuous production of calcium carbide
CH41486A
(en )
1908-10-16
Process for the production of large surface coolers
CH42140A
(en )
1909-01-02
Process for the production of a cladding for surfaces of rooms
CH48045A
(en )
1910-09-01
Process for the production of hollow ceilings
CH50466A
(en )
1911-06-01
Process for the production of parquet floors
CH40274A
(en )
1908-06-16
Process for the production of potassium persulfate
CH40461A
(en )
1908-07-01
Process for the preparation of camphene
CH40462A
(en )
1908-07-16
Process for the preparation of camphene
CH40575A
(en )
1908-07-16
Process for the preparation of camphene
CH40576A
(en )
1908-07-16
Process for the preparation of camphene
CH40577A
(en )
1908-07-16
Process for the preparation of camphene
CH40636A
(en )
1908-08-01
Process for the preparation of camphene
CH41299A
(en )
1908-10-01
Process for the production of vanadium-containing steel
CH39234A
(en )
1908-02-17
Equipment for the production of U-shaped, iron-reinforced concrete beams
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement