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Svensson; Kjell
Helsingborg, SE
No. of patents:

Patent Number Title Of Patent Date Issued
4781760 Method for improving the properties of cement mortar and concrete November 1, 1988
The present invention relates to a method for improving the water separation and compression strength of cement mortar and concrete, and for extending the time taken for the cement mortar and concrete to stiffen, by adding to the mortar and concrete a waste sludge obtained by neutralizin

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