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DE748511C
|
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Process for projecting images in space that are visible to the naked eye
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DE669966C
|
|
Thermal column
|
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DE639722C
|
|
Procedure for the operation of thermal columns
|
|
DE560472C
|
|
Periodic cooling absorption refrigerator
|
|
DE542430C
|
|
Procedure for the operation of thermal columns
|
|
DE560471C
|
|
Periodic cooling absorption refrigerator
|
|
DE559075C
|
|
Periodic cooling absorption refrigerator
|
|
DE516410C
|
|
Dial viscometer
|
|
DE515259C
|
|
Scale viscometer with communicating tubes
|
|
DE502262C
|
|
Ellipsoidal blast furnace for household and technical purposes
|
|
DE401022C
|
|
Method for testing the lubricity of oils against metal surfaces or for testing the wetting power of liquids against solid walls
|
|
DE364235C
|
|
Methods and devices for measuring the viscosity of liquids
|
|
DE346449C
|
|
Vacuum fluid lifter
|
|
DE352737C
|
|
Adhesion knife with parallel adjustable test plates protruding into the liquid to be tested
|
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DE362285C
|
|
Heat diffusion air pump
|
|
DE362388C
|
|
Heat diffusion air pump
|
|
DE359259C
|
|
Gas lockers, especially for hot air machines
|
|
DE372265C
|
|
Axle bearing in which lateral lubrication pockets are embedded in the bearing shells
|
|
DE560473C
|
|
Periodic cooling absorption refrigerator
|
