CH72263A
(en )
1916-05-01
Manufacturing process of cans
FR468018A
(en )
1914-06-26
Manufacturing process for cans
FR477486A
(en )
1915-10-22
Manufacturing process of toothed wheels
FR466619A
(en )
1914-05-19
Manufacturing process of methyl-hexamethylenetetramine sulfocyanide
FR18917E
(en )
1914-08-07
Manufacturing process of perborates
FR440210A
(en )
1912-07-05
Manufacturing process of hydroalkaloids of quinquinas
FR440886A
(en )
1912-07-23
Manufacturing process of pasta molds
FR476064A
(en )
1915-07-09
Paint manufacturing process
FR450529A
(en )
1913-03-27
Manufacturing process for ribbed metal sheets
FR512981A
(en )
1921-02-04
Manufacturing process of highly chlorinated indanthrenes
FR483054A
(en )
1917-05-25
Method of manufacturing metal tubes
FR498500A
(en )
1920-01-13
New explosive and manufacturing process
FR455207A
(en )
1913-07-25
Manufacturing process for key rings
FR469851A
(en )
1914-08-13
Manufacturing process of plywood
FR475881A
(en )
1915-06-21
Manufacturing process of cylindrical lenses
FR472447A
(en )
1914-12-04
Manufacturing process of special pasta
FR476930A
(en )
1915-09-09
Explosives manufacturing process
FR467879A
(en )
1914-06-23
Valve manufacturing process
FR18022E
(en )
1914-01-15
Azide manufacturing process
FR479024A
(en )
1916-02-02
Manufacturing process of u-pipe elbows
FR490459A
(en )
1919-04-24
Manufacturing process of metal alloys
FR426953A
(en )
1911-07-22
Manufacturing process of hydroalkaloids of quinquinas
FR473105A
(en )
1914-12-31
Steel making process
CH72650A
(en )
1916-06-02
Manufacturing process for winding crowns
FR475655A
(en )
1915-06-07
Galoshes manufacturing process