Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Vorrichtung zur Gewinnung verspinnbarer Fasern aus faserhaltigen Blaettern und aehnlichen Pflanzenteilen und Verfahren zum Abheben der Fasern von einer Nadeltrommel
Textile Chemistry and Dyeing: A Manual of Practical Instruction in the Art of Textile Bleaching and Coloring, and Allied Processes of Treatment; Including Many Useful Hints and Recipes