FR1064696A
(en )
1954-05-17
Improvements in stencil sheets
DEP0047487DA
(en )
1950-08-10
Visual aids for the first arithmetic lesson.
CH288599A
(en )
1953-01-31
Pulse amplifier.
GB621240A
(en )
1949-04-06
Improvements in or relating to gate posts
AT314256B
(en )
1974-03-25
Pneumatically driven double membrane pulsator
FR1054769A
(en )
1954-02-12
Postcard or advertising
McCandless
1950
The Psychologist as Speaker.
GR12497B
(en )
1950-06-24
ONE-PIECE FRAME WITHOUT WELDING TINOS.
CA463763A
(en )
1950-03-21
Bed sheet construction
FR1109197A
(en )
1956-01-23
Improvement in illumination devices for dials, inscriptions, etc., or others
ES194181A1
(en )
1951-01-01
IMPROVEMENTS IN THE CERROJOS CONSTRUCTION
AT180961B
(en )
1955-02-10
Sound screen in the negative feedback amplifier
FR1016277A
(en )
1952-11-06
Tent frame
FR1025275A
(en )
1953-04-13
Advanced training in plow frames
DK85273C
(en )
1958-03-24
Disinfectant with bactericidal and virucidal effect.
CA19027S
(en )
1953-04-13
Dental chair or the like
CH280681A
(en )
1952-01-31
Toilet object.
AU152288B2
(en )
1950-12-14
Milking machine and teat-holder applied withthe milking machine
ES36969Y
(en )
1956-01-01
Toilet seat disinfection device
ES24170Y
(en )
1951-08-16
Improved multi-sheet sacks with valve.
DK76007C
(en )
1953-06-22
Coffin, especially coffin.
BE503913A
(en )
1952-10-10
IMPROVEMENTS IN PYRIMIDINE DERIVATIVES.
AU160708B2
(en )
1953-11-26
Improvements in. or relating to chair
CA465684A
(en )
1950-06-06
Laminar structure
CH287962A
(en )
1952-12-31
Adjustable transverse bearing.