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DK2753C
(en)
|
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Apparatus for Measuring the Speed of Sound Waves.
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DK3641C
(en)
|
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Apparatus for the production of Pladeis.
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|
DK1445C
(en)
|
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Propagation apparatus.
|
|
DK948C
(en)
|
|
Apparatus for making sound vibrations visible.
|
|
DK2849C
(en)
|
|
Apparatus for the Development of Acetylene.
|
|
DK3151C
(en)
|
|
Apparatus for the Development of Acetylene.
|
|
DK2828C
(en)
|
|
Apparatus for the manufacture of gas-air mixtures.
|
|
DK4976C
(en)
|
|
Apparatus for the manufacture of cement pipes.
|
|
DK6714C
(en)
|
|
Apparatus for Simultaneous Propagation of Several Bottles.
|
|
DK3653C
(en)
|
|
Apparatus for the Development of Acetylene.
|
|
DK6183C
(en)
|
|
Apparatus for Determining Distances and Courses for Ships.
|
|
DK3588C
(en)
|
|
Apparatus for the production of ozone.
|
|
DK3349C
(en)
|
|
Apparatus for Checking the Density of Canned Cans.
|
|
DK2442C
(en)
|
|
Apparatus for Soaking Cereals.
|
|
DK3001C
(en)
|
|
Apparatus for Releasing Lifeboats.
|
|
CH19352A
(en)
|
|
Signal apparatus
|
|
FR406665A
(en)
|
|
Advanced system of adjustable benches for schools
|
|
DK3173C
(en)
|
|
Apparatus for Impregnation of Long Timber.
|
|
DK5628C
(en)
|
|
Apparatus for Measuring Liquids.
|
|
DK3562C
(en)
|
|
Apparatus for Impregnation of Timber.
|
|
DK4261C
(en)
|
|
Apparatus for Compression of Air.
|
|
CH24772A
(en)
|
|
Blueprint apparatus
|
|
DK3700C
(en)
|
|
Apparatus for rapid crystallization of sugar.
|
|
DK6934C
(en)
|
|
Apparatus for Multiplication Calculation.
|
|
DK4749C
(en)
|
|
Apparatus for the Development of Acetylene.
|