CH26495A
(en )
1903-09-15
Device for the manufacture of sulfuric acid hydride
CH32699A
(en )
1905-08-31
Device for the manufacture of sulfuric anhydride
CH30432A
(en )
1904-12-15
Device for the production of insulating tubes
GB190217316A
(en )
1903-08-06
Apparatus for the Manufacture of Sulphuric Acid
CH25595A
(en )
1903-06-15
Device for the production of gable locking bricks
CH26403A
(en )
1903-08-31
Device for the production of hollow bodies by punching
CH32717A
(en )
1905-08-31
Device for the production of welded tubes
CH25784A
(en )
1903-06-30
Facility for the manufacture of rivets
CH28038A
(en )
1904-03-31
Device for the manufacture of concrete pillars
CH27533A
(en )
1904-01-31
Device for generating nitric acid
CH25757A
(en )
1903-06-30
Device for the production of marbling
CH29327A
(en )
1904-08-15
Device for the production of plates for collector batteries
CH27699A
(en )
1904-02-15
Device for manufacturing the rim of rim wheels
CH30678A
(en )
1905-01-15
Device for the production of shaped stones
CH27852A
(en )
1904-02-29
Die for making tapered objects
CH25881A
(en )
1903-07-15
Apparatus for the preparation of nitric acid
CH38901A
(en )
1908-01-02
Device for the production of metal chips
AT23244B
(en )
1906-02-26
Process for the production of dressings.
AT31866B
(en )
1908-02-25
Process for the preparation of carboxylic acid esters.
CH26480A
(en )
1903-09-15
Device for the production of tape rolls
AT23235B
(en )
1906-02-26
Process for the production of glassy arsenic acid.
AT23344B
(en )
1906-03-10
Process for the production of depolarization electrodes for galvanic elements.
CH32886A
(en )
1905-09-30
Device for the mechanical production of reliefs according to plan maps
DK5956C
(en )
1903-09-21
Process for the production of nitric acid or nitric acid.
CH27997A
(en )
1904-03-15
Device for fastening threaded insulators