Helmut Teichmann

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Vocklabruck, OE

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of flame-retardant regenerated cellulose fibres
- Patent number 4,063,883
- Issue date Dec 20, 1977
- Hoechst Aktiengesellschaft
- Johann Hupfl
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...