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DE1965160A1
|
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Water purification with bromine or salts - produced in adjoining electrolytic cell
|
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DE1800126A1
|
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Process for the production of a granular filter material for the treatment of liquids
|
|
DE1232055B
|
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Process for the production of both chemically and physically highly effective filter materials used for water treatment
|
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ES265746A1
|
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Procedure for the preparation of water and filtering bodies for their realization (Machine-translation by Google Translate, not legally binding)
|
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DE1189002B
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Process for the production of filter bodies used for water treatment
|
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GB487675A
|
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A method for the purification of water
|
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DE555487C
|
|
Pressure filter with grainy filter material
|
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DE616022C
|
|
Process to prevent scale and rust formation
|
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DE525392C
|
|
Process for dissolving and removing scale in steam boilers, water heaters, etc.
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DE541210C
|
|
Device for proportional mixing of two media
|
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DE567700C
|
|
Device for mixing two liquids in the same quantity
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