CH326650A
(en )
1957-12-31
Process for the preservation of materials
CH311250A
(en )
1955-11-30
Process for making diazotype copies.
CH324444A
(en )
1957-09-30
Process for the production of polymers
CH300957A
(en )
1954-08-31
Process for the production of semi-pulp.
CH325469A
(en )
1957-11-15
Process for the production of acrylonitrile copolymers
CH300626A
(en )
1954-08-15
Process for producing blueprint material.
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
AT183230B
(en )
1955-09-26
Process for hardening resin-forming material containing ethoxylin condensates
CH307970A
(en )
1955-06-30
Process for the production of chlorofluoroethenes.
CH308182A
(en )
1955-06-30
Process for making shaped articles.
AT171430B
(en )
1952-05-26
Process for hardening synthetic resins
AT176363B
(en )
1953-10-10
Process for hardening ethoxylin resins
AT176674B
(en )
1953-11-10
Process for hardening ethoxylin resins
AT178202B
(en )
1954-04-26
Process for hardening ethoxylin resins
AT185707B
(en )
1956-05-25
Process for making waterproof sandpaper
AT185785B
(en )
1956-06-11
Process for finishing polyamide fiber material
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT181563B
(en )
1955-04-12
Process for drying loose material
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
CH307001A
(en )
1955-05-15
Process for the manufacture of explosives.
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
CH306030A
(en )
1955-03-31
Process for the manufacture of detergents.
AT185992B
(en )
1956-06-25
Process for improving the surface of plastic films
AT185986B
(en )
1956-06-25
Process for the production of copolymers
AT179094B
(en )
1954-07-10
Process for the production of copolymers