CH280432A
(en )
1952-01-31
Process for the production of protein threads.
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
AT171401B
(en )
1952-05-26
Process for the production of methacrylic acid esters
AT164803B
(en )
1949-12-27
Process for the production of fertilizers
AT179283B
(en )
1954-08-10
Process for the production of carboxylic acids
AT181530B
(en )
1955-03-25
Process for the manufacture of footwear
AT181267B
(en )
1955-03-10
Process for the production of finely divided oxides
AT173702B
(en )
1953-01-26
Process for the preparation of new dihydroresorcinol carbamic acid esters
AT178459B
(en )
1954-05-10
Process for the production of polyvinylidenecyanide
AT193400B
(en )
1957-11-25
Process for the production of phenols
AT177414B
(en )
1954-01-25
Process for the preparation of esters of bis-4-hydroxycoumarinyl acetic acid
AT187912B
(en )
1956-12-10
Process for the preparation of alkylaminobenzoic acid esters
AT172060B
(en )
1952-08-11
Process for the production of phenoplast molding compounds
AT172493B
(en )
1952-09-10
Process for the production of hardboard
AT172638B
(en )
1952-09-25
Process for the production of water-white phthalic acid esters
AT173422B
(en )
1952-12-27
Process for the production of two-part stockings
AT180366B
(en )
1954-12-10
Process for the preparation of nicotinic acid esters
AT180256B
(en )
1954-11-25
Process for the production of ω-cyanocarboxylic acids
AT177520B
(en )
1954-02-10
Process for the production of metal coffins
AT179651B
(en )
1954-09-25
Process for the production of moldings
AT169564B
(en )
1951-11-26
Process for the production of methyl methacrylate
AT167298B
(en )
1950-12-11
Process for the production of digestion acids for pulp production
AT167706B
(en )
1951-02-26
Process for the production of pressure-resistant components
AT174904B
(en )
1953-05-26
Process for the production of substituted carboxylic acids
AT168827B
(en )
1951-08-25
Process for the production of pencil leads