CH283513A
(en )
1952-06-15
Process and device for the production of flat structures.
CH292355A
(en )
1953-08-15
Method and device for the production of synthetic fibers.
AT172687B
(en )
1952-10-10
Method and device for the production of lightweight panels
AT175965B
(en )
1953-09-10
Method and device for the production of threads
AT178609B
(en )
1954-05-25
Method and device for the production of zip fasteners
CH317399A
(en )
1956-11-30
Method and device for the production of staple fibers
AT171441B
(en )
1952-05-26
Method and device for the production of wood wool
AT193328B
(en )
1957-11-25
Process for the production of zip fasteners and device for carrying out the process
AT193132B
(en )
1957-11-25
Method and device for manufacturing zip fasteners
AT171519B
(en )
1952-06-10
Method and device for the production of prestressed steel-string concrete supports
AT187374B
(en )
1956-10-25
Method and device for the production of hollow bodies
AT183563B
(en )
1955-10-25
Method and device for the production of hollow bodies
AT176364B
(en )
1953-10-10
Method and device for producing profiled fiberboard
CH299810A
(en )
1954-06-30
Process for the production of model pieces and device for carrying out the process.
AT187402B
(en )
1956-10-25
Method and device for manufacturing zip fasteners
AT171411B
(en )
1952-05-26
Process for the preparation of bis-choline dicarboxylates and their derivatives
AT184432B
(en )
1956-01-25
Method and device for the production of screws or the like.
AT182142B
(en )
1955-05-25
Photoelectric semiconductor and method of making the same
AT184024B
(en )
1955-12-10
Method and device for the production of saw segments
AT176362B
(en )
1953-10-10
Method and device for the continuous production of polyamides
AT169357B
(en )
1951-11-10
Method and device for manufacturing zip fasteners
AT178250B
(en )
1954-04-26
Process for the production of model pieces and device for carrying out the process
AT183955B
(en )
1955-12-10
Method and device for the production of shaped pieces
AT172065B
(en )
1952-08-11
Method and device for the production of lubricants
AT168961B
(en )
1951-09-25
Method and device for the production of artificial mineral water