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Author
Waldemar Wachowitz (3)
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1993
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1992
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1990
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Patent
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Book
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German
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English
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Shaft seal : United States Patent 5,143,385 ; date of patent: Sep. 1, 1992 / assignee: Firma Carl Freudenberg
(1992)
Stefan Sponagel
;
Waldemar Wachowitz
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