CH56367A
(en )
1913-02-01
Manufacturing process of a rubber substitute
FR468409A
(en )
1914-07-06
Manufacturing process of a rubber substitute
CH54333A
(en )
1912-05-17
Manufacturing process of a rubber substitute
CH43186A
(en )
1909-04-01
Manufacturing process of a rubber substitute
FR448108A
(en )
1913-01-23
Rubber manufacturing process
FR448663A
(en )
1913-02-07
Rubber manufacturing process
FR447411A
(en )
1913-01-04
Manufacturing process of artificial rubber
FR446270A
(en )
1912-11-30
Manufacturing process of a hard celluloid
FR446244A
(en )
1912-11-29
Rubber manufacturing process
CH63585A
(en )
1914-02-16
Process for the manufacture of a celluloid substitute
CH58927A
(en )
1913-04-16
Process for the production of artificial rubber
FR446323A
(en )
1912-12-02
Manufacturing process of? - chloranthraquinones
FR19578E
(en )
1915-03-16
Manufacturing process of? - chloranthraquinones
FR473971A
(en )
1915-02-03
Rubber manufacturing process
FR464988A
(en )
1914-04-04
Process for the manufacture of a pepper substitute
CH65057A
(en )
1914-05-16
Process for the manufacture of a cellulode substitute
FR476396A
(en )
1915-07-29
Rubber substitute and its manufacturing process
FR466957A
(en )
1914-05-29
Manufacturing process of tire casings
FR463801A
(en )
1914-03-05
Practically Usable Artificial Rubber Manufacturing Process
FR447904A
(en )
1913-01-18
Process for the production of artificial rubber
FR429879A
(en )
1911-10-03
Manufacturing process of plastic masses resembling guttapercha
CH63586A
(en )
1914-02-16
Process for manufacturing a cullulose acetate
FR460243A
(en )
1913-11-26
Manufacturing process of reinforced hard rubber
FR446598A
(en )
1912-12-09
Process for the manufacture of a vulcanized rubber-like product
FR401071A
(en )
1909-08-18
Manufacturing process of rubber rings