AT121374B
(en )
1931-02-25
Device for the vibration-free mounting of speaking machine plates.
CH231804A
(en )
1944-04-15
Device for scanning films.
CH213942A
(en )
1941-03-31
Electromechanical device for transmitting vibrations.
CH122103A
(en )
1927-09-01
Device for transmitting vibrations.
CH145398A
(en )
1931-02-28
Device for holding objects.
AT131870B
(en )
1933-02-25
Device for drawing candles.
CH152937A
(en )
1932-02-29
Device for showing optical sound films.
CH152861A
(en )
1932-02-29
Device for churning.
AT121484B
(en )
1931-02-25
Device for the transmission of sound vibrations.
FR693656A
(en )
1930-11-24
Removable suspension device
AT132150B
(en )
1933-03-10
Device for the photographic recording of acoustic vibrations.
CH149019A
(en )
1931-08-31
Registry.
AT127088B
(en )
1932-02-25
Setup on self-collecting speaking machines.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
CH145573A
(en )
1931-02-28
Device for showing transparent images.
AT109478B
(en )
1928-04-25
Device for the production of drawn glass plates.
DK46023C
(en )
1932-08-08
Device for potato-laying machines.
ES126145A1
(en )
1932-05-01
VIBRATION APPARATUS
CH164371A
(en )
1933-09-30
Device for creating permanent waves.
DK44641C
(en )
1931-09-28
Device for razors.
DK46817C
(en )
1933-01-23
Device for hobs.
DK45471C
(en )
1932-03-29
Projection apparatus.
GR3025B
(en )
1930-12-10
MACHINE DESTRUCTION MACHINE.
CH150827A
(en )
1931-11-30
Device for adjusting the height of the implement on agricultural machines.
FR728270A
(en )
1932-07-04
Sound clarifier