CH54852A
(en )
1912-07-01
Loom manufacturing process of braid slipper uppers
FR422740A
(en )
1911-03-29
Economical shoe manufacturing process
FR426953A
(en )
1911-07-22
Manufacturing process of hydroalkaloids of quinquinas
FR495987A
(en )
1919-10-23
Manufacturing process of soles for shoes
FR414820A
(en )
1910-09-12
Manufacturing process of dibromisatin
FR464515A
(en )
1914-03-24
Footwear manufacturing process
FR440210A
(en )
1912-07-05
Manufacturing process of hydroalkaloids of quinquinas
FR466619A
(en )
1914-05-19
Manufacturing process of methyl-hexamethylenetetramine sulfocyanide
FR23806E
(en )
1921-12-30
Economical manufacturing process for slipper soles
FR489354A
(en )
1919-01-27
Economical manufacturing process for slipper soles
CH64683A
(en )
1914-05-01
Artificial silk manufacturing process
FR14056E
(en )
1911-09-11
Manufacturing process of tungsten filaments
FR483818A
(en )
1917-08-14
Footwear manufacturing process
FR463073A
(en )
1914-02-13
Process for the manufacture of cotton resembling silk
FR412582A
(en )
1910-07-16
Manufacturing process of bi-metal tubes
FR473126A
(en )
1914-12-31
Manufacturing process of artificial silk derived from cellulose acetates
FR473986A
(en )
1915-02-03
Artificial silk manufacturing process
FR17990E
(en )
1914-01-05
Manufacturing process of p-nitrophenylcarbamyl chloride
FR12327E
(en )
1910-08-29
Manufacturing process of nitrous compounds
FR413117A
(en )
1910-08-01
Manufacturing process of nitrous compounds
CH55538A
(en )
1912-08-16
Manufacturing process of disodium cyanamide
FR414760A
(en )
1910-09-10
Manufacturing process of encrusted linoleum
FR473219A
(en )
1915-01-06
Artificial fur manufacturing process
FR17244E
(en )
1913-07-26
Manufacturing process of alkali sulphides
FR448927A
(en )
1913-02-13
Manufacturing process of alkali sulphides