CH13964A
(en )
1897-09-15
Forming apparatus for the production of hollow glass bodies
CH21006A
(en )
1901-05-31
Machine for the production of hollow glass bodies
DK1462C
(en )
1898-02-21
Forming apparatus for the production of hollow glass bodies.
AT27600B
(en )
1907-02-25
Process for the production of hollow bodies from quartz glass.
CH15914A
(en )
1898-08-31
Apparatus for the production of acetylene
CH18513A
(en )
1900-01-15
Facility for the production of glass panels
AT1091B
(en )
1900-03-26
Process for the production of artificial stones.
AT1145B
(en )
1900-04-10
Process for the production of artificial stones.
CH23848A
(en )
1902-09-30
Apparatus for the production of hollow bodies from cement, molding sand or the like
CH23104A
(en )
1902-05-31
Apparatus for the production of solid alkali silicate from alkali silicate solution
CH20261A
(en )
1900-12-31
Apparatus for the production of compressed gas
CH18702A
(en )
1900-02-15
Device for the simultaneous production of several identical documents
AT4298B
(en )
1901-05-25
Process for the production of filter mass.
AT13838B
(en )
1903-10-26
Process for the production of celluloid-like masses.
CH56308A
(en )
1912-11-01
Process for the production of quartz hollow bodies
AT2651B
(en )
1900-11-10
Process for the production of artificial stones.
CH14511A
(en )
1897-12-15
Apparatus for producing water gas
AT3228B
(en )
1901-01-25
Process for the production of stone-asphalt pipes.
CH19472A
(en )
1900-07-31
Device for the production of two-part pulleys
CH27257A
(en )
1903-12-31
Novel hollow stone for the production of ceilings
CH47074A
(en )
1910-05-16
Process for the production of hollow spherical containers from concrete
CH16645A
(en )
1899-01-15
Device for the production of barrel jackets
CH25279A
(en )
1903-04-30
Winding mandrel for the production of hollow bodies with an angular shape
CH48045A
(en )
1910-09-01
Process for the production of hollow ceilings
CH12965A
(en )
1897-04-15
Apparatus for the production of sulfuric acid