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Helmut Stoelcker
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Krefeld, DE
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last 30 patents
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Patent Grant
Process for waterproofing leather at low pH-values and leathers man...
Patent number
5,980,578
Issue date
Nov 9, 1999
Stockhausen GmbH & Co. KG
Manfred Kaussen
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...