CH25595A
(en )
1903-06-15
Device for the production of gable locking bricks
CH25757A
(en )
1903-06-30
Device for the production of marbling
CH30432A
(en )
1904-12-15
Device for the production of insulating tubes
CH28038A
(en )
1904-03-31
Device for the manufacture of concrete pillars
CH30678A
(en )
1905-01-15
Device for the production of shaped stones
CH28472A
(en )
1904-04-30
Plant for the production of plaster
AT23244B
(en )
1906-02-26
Process for the production of dressings.
CH27257A
(en )
1903-12-31
Novel hollow stone for the production of ceilings
AT31807B
(en )
1908-02-10
Process for the production of magnesia cement compounds.
CH23973A
(en )
1902-10-31
Machine for the production of roof tiles
CH30726A
(en )
1905-01-31
Facility for the production of mosaic sausage
CH21672A
(en )
1901-08-31
Device for the production of veneered bricks
CH33115A
(en )
1905-10-31
Device for the production of homogeneous liquid mixtures
CH26403A
(en )
1903-08-31
Device for the production of hollow bodies by punching
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH32699A
(en )
1905-08-31
Device for the manufacture of sulfuric anhydride
CH35186A
(en )
1906-09-30
Device for the production of hollow concrete masts
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH41393A
(en )
1908-10-16
Device for the production of hydrated lime
CH43274A
(en )
1909-04-16
Process for the production of building structures
CH30422A
(en )
1904-12-15
Forming machine for the production of building blocks
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH26495A
(en )
1903-09-15
Device for the manufacture of sulfuric acid hydride
CH32886A
(en )
1905-09-30
Device for the mechanical production of reliefs according to plan maps
CH30294A
(en )
1904-11-30
Device for the production of cement pipes u. like