CH26403A
(en )
1903-08-31
Device for the production of hollow bodies by punching
CH25757A
(en )
1903-06-30
Device for the production of marbling
CH30432A
(en )
1904-12-15
Device for the production of insulating tubes
CH25595A
(en )
1903-06-15
Device for the production of gable locking bricks
CH30678A
(en )
1905-01-15
Device for the production of shaped stones
AT27674B
(en )
1907-02-25
Process for producing liquid air.
CH31572A
(en )
1905-04-30
Device for the production of structures consisting of loops
CH39611A
(en )
1908-04-01
Device for the production of printing forms by means of electrolytic etching
AT27628B
(en )
1907-02-25
Process for the production of punching u. Like. By photomechanical means.
CH26495A
(en )
1903-09-15
Device for the manufacture of sulfuric acid hydride
CH28038A
(en )
1904-03-31
Device for the manufacture of concrete pillars
CH30364A
(en )
1904-12-15
Device for the production of seamless metal hollow bodies
CH25317A
(en )
1903-04-30
Device for producing spherical bores
AT23244B
(en )
1906-02-26
Process for the production of dressings.
CH32717A
(en )
1905-08-31
Device for the production of welded tubes
CH32699A
(en )
1905-08-31
Device for the manufacture of sulfuric anhydride
CH5530A
(en )
1893-01-31
Device for the production of hollow bodies
CH27852A
(en )
1904-02-29
Die for making tapered objects
AT23235B
(en )
1906-02-26
Process for the production of glassy arsenic acid.
CH38901A
(en )
1908-01-02
Device for the production of metal chips
CH45985A
(en )
1910-01-17
Process for the production of shaped pieces from small cork
CH32406A
(en )
1905-07-31
Device for the production of hollow bodies, in particular cement pipes
CH30294A
(en )
1904-11-30
Device for the production of cement pipes u. like
AT27600B
(en )
1907-02-25
Process for the production of hollow bodies from quartz glass.
CH41393A
(en )
1908-10-16
Device for the production of hydrated lime