CH65080A
(en )
1914-05-16
Manufacturing process of artificial lithographic stones
FR453417A
(en )
1913-06-07
Manufacturing process of artificial stones
FR458542A
(en )
1913-10-13
Manufacturing process of artificial lithographic stones
FR422837A
(en )
1911-03-31
Manufacturing process of artificial stones
FR438189A
(en )
1912-05-09
Manufacturing process of artificial stones
FR480285A
(en )
1916-07-12
Process for the production of artificial stones
FR439970A
(en )
1912-06-28
Manufacturing process of light refractory stones
FR448720A
(en )
1913-02-08
Process for the production of artificial stones
FR437662A
(en )
1912-04-27
Process for the production of artificial stones
FR15899E
(en )
1912-10-10
Process for the production of artificial lithographic stones
FR404740A
(en )
1909-12-10
Manufacturing process of artificial stones
FR410665A
(en )
1910-05-26
Manufacturing process of artificial stones
FR449335A
(en )
1913-02-24
Manufacturing process of artificial marbles
FR453855A
(en )
1913-06-18
Manufacturing process of artificial mosaics
FR421886A
(en )
1911-03-07
Manufacturing process of artificial marble
FR466619A
(en )
1914-05-19
Manufacturing process of methyl-hexamethylenetetramine sulfocyanide
FR438346A
(en )
1912-05-14
Manufacturing process of artificial granite
FR430899A
(en )
1911-10-26
Manufacturing process of artificial tiles
FR18711E
(en )
1914-06-18
Manufacturing process of methyl hexamethylene tetramine sulfocyanide
FR464159A
(en )
1914-03-14
New artificial stones and their manufacturing process
FR361066A
(en )
1906-05-16
Manufacturing process of polished artificial stones
FR482642A
(en )
1917-04-05
Manufacturing process of horseshoes
FR417441A
(en )
1910-11-14
Process for the production of porous artificial stones
CH58350A
(en )
1913-03-01
Process for the production of artificial stones
CH72604A
(en )
1916-11-16
Manufacturing process of artificial slates