TY  - GEN
A1  - Sponagel, Stefan
A1  - Wachowitz, Waldemar
T1  - Shaft seal : United States Patent 5,143,385 ; date of patent: Sep. 1, 1992 / assignee: Firma Carl Freudenberg
Y1  - 1992
UR  - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2603
N1  - Barcode: US005143385A ; Volltext über Datenbank: http://www.google.com/patents
PB  - [United States Patent and Trademark Office]
CY  - [Alexandria, VA]
ER  -