Laboratory cooler - for ash or dry wt determinations
DE955542C
Method and device for the sterile closing and opening of reagent and similar glasses
DE858322C
Shaking machine for butyrometer
DE826646C
Device for the proportional taking of reliable average samples of the total daily quantities of milk delivered to the dairy in order to determine the average fat content as precisely as possible
DE727922C
Hollow sealing plug made of rubber for butyrometers, grease checkers or the like
DE701789C
n of butyrometers and similar vessels
DE675171C
Measuring device with one or more measuring chambers
DE646254C
Hollow sealing plug made of rubber for butyrometers, grease checkers or the like
DE661588C
Method for the accelerated implementation of the colorimetric determination of the pH value of soil
DE614213C
Device for determining the dirt content of the milk
DE416265C
Hollow sealing plug made of rubber for butyrometers, grease checkers, etc. like
DE412629C
Butyrometric liquid
DE413827C
Pliers for pulling in dog tags
DE594924C
Method and device for rolling test tubes u. Like. For the purpose of distributing solid Naehrboeden on the entire inner surface of the tubes
DE589732C
Culture tubes with melted nutrient soil
DE589731C
A roller tube suitable for determining the germ count
