Sien L. Ong

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Hofheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of reserve effects on polyestercellulose...
- Patent number 4,322,213
- Issue date Mar 30, 1982
- Cassella Aktiengesellschaft
- Horst Tappe
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...