CH311154A
(en )
1955-11-30
Process for the production of shaped structures.
CH322260A
(en )
1957-06-15
Process for the production of N-methylol-polypyrrolidones
CH314336A
(en )
1956-06-15
Process for the production of coatings
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
AT176967B
(en )
1953-12-10
Process for the production of clad concrete beams
AT174372B
(en )
1953-03-25
Process for the production of acetals
AT175871B
(en )
1953-08-25
Process for the lightening of fibers
AT170399B
(en )
1952-02-11
Process for the production of reinforced concrete rib ceilings
AT187053B
(en )
1956-10-10
Process for the production of cation exchangers
AT176493B
(en )
1953-10-26
Process for the production of lightweight building materials
AT172777B
(en )
1952-10-10
Process for the production of reinforced concrete slab beam ceilings
AT171733B
(en )
1952-06-25
Process for the production of folinic acid
AT172069B
(en )
1952-08-11
Process for the production of building panels
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT181492B
(en )
1955-03-25
Process for the production of semi-pulp
AT179290B
(en )
1954-08-10
Process for the production of octochlorocyclopentene
AT180795B
(en )
1955-01-10
Process for the production of hollow profiles
AT176492B
(en )
1953-10-26
Process for the production of spun concrete pipes
AT184177B
(en )
1955-12-27
Process for the production of chloramphenicol
AT171199B
(en )
1952-05-10
Process for the production of components
AT173687B
(en )
1953-01-10
Process for the production of acetals
AT180134B
(en )
1954-11-10
Process for the production of reinforced concrete ceilings u. like structures
AT175146B
(en )
1953-06-10
Process for the production of cellulose
AT171726B
(en )
1952-06-25
Process for the production of firedamp-proof detonators