CH416156A
(en )
1966-06-30
Process for producing durable reagent papers
AT248863B
(en )
1966-08-25
Process for making paper
CH312219A
(en )
1955-12-31
Process for the regeneration of waste paper.
CH349881A
(en )
1960-10-31
Process and means for making paper
CH358322A
(en )
1961-11-15
Process for improving the wet strength of paper
CH374887A
(en )
1964-01-31
Process for making paper
CH286127A
(en )
1952-10-15
Process for the production of gummed paper.
AT191250B
(en )
1957-08-10
Process for the regeneration of waste paper
AT183307B
(en )
1955-09-26
Process for making paper or cardboard from waste paper
CH280493A
(en )
1952-01-31
Process for making paper.
CH357617A
(en )
1961-10-15
Process for the production of paper glue
CH347071A
(en )
1960-06-15
Process for the production of paper and the paper produced by this process
CH382551A
(en )
1964-09-30
Process for the manufacture of coated paper
CH352081A
(en )
1961-02-15
Process for the production of dry glue for paper sizing
CH265208A
(en )
1949-11-30
Process for the production of colored paper.
CH289901A
(en )
1953-03-31
Process for making paper.
CH286515A
(en )
1952-10-31
Process for the production of colored cellulosic material, in particular colored paper.
AT176184B
(en )
1953-09-25
Process for the purification of waste water from the pulp, paper and cardboard industries
CH362596A
(en )
1962-06-15
Process for the production of paper or paper-like sheet-like structures
CH289382A
(en )
1953-03-15
Process for the production of chromo and art paper.
CH442961A
(en )
1967-08-31
Process for the production of low-dielectric-loss paper
CH237190A
(en )
1945-04-15
Process for making paper.
CH248220A
(en )
1947-04-30
Process for the production of paper or cardboard.
CH327308A
(en )
1958-01-31
Process for the production of offset printing foils
AT185680B
(en )
1956-05-25
Process for the conservation of wood pulp for paper u. like generation