CH28170A
(en )
1904-04-15
Mixer for the preparation of artificial stone
FR358476A
(en )
1906-02-17
Process for the preparation of artificial stone slabs
FR329872A
(en )
1903-08-08
Device for the manufacture of artificial stone bricks
FR332717A
(en )
1903-11-05
Artificial stone for constructions of all kinds
FR339460A
(en )
1904-06-10
Preparation of artificial mineral diastases
FR344930A
(en )
1904-11-16
Process for the preparation of alkyl-aminoacetopyrocatechins
FR349968A
(en )
1905-08-18
Process for the preparation of metatolylsemicarbazide
FR4271E
(en )
1905-10-20
Process for the preparation of metatolylsemicarbazide
FR339606A
(en )
1904-06-14
Process for the preparation of new lacquers
FR371653A
(en )
1907-03-13
Apparatus for the manufacture of hollow concrete or cement blocks
FR328917A
(en )
1903-07-23
Apparatus for the manufacture of Portland cement
FR336433A
(en )
1904-03-08
Process for the preparation of new lacquers
FR2440E
(en )
1904-04-07
Sulfur powder for the treatment of plants
FR335476A
(en )
1904-01-27
Sulfur powder for the treatment of plants
FR338851A
(en )
1904-08-29
Die for the manufacture of tiles
FR344726A
(en )
1904-11-11
Casting table for the manufacture of cement stones, etc.
FR354002A
(en )
1905-09-26
Process for the preparation of hemostatic dressings
FR331514A
(en )
1903-09-17
Process for the manufacture of cement
FR350619A
(en )
1905-06-20
Process for the preparation of azotites
FR3565E
(en )
1904-12-07
Process for the preparation of alkylaminoacetopyrocatechins
FR376196A
(en )
1907-08-02
Mixing machine for concrete preparation
FR2553E
(en )
1904-05-06
Sprayer for the treatment of the vine
FR2906E
(en )
1904-07-12
Sprayer for the treatment of the vine
FR3543E
(en )
1904-12-03
Sprayer for the treatment of the vine
FR3654E
(en )
1904-12-30
Sprayer for the treatment of the vine