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Inventor
KARSTEN WERNER
DE
2 patents
Patents
2 patents
US4176884A
Dec 4, 1979
Anchoring apparatus for a mining installation
GEWERK EISENHUETTE WESTFALIA
6 citations
55
US4094157A
Jun 13, 1978
Anchoring apparatus for anchoring a mining installation
GEWERK EISENHUETTE WESTFALIA
4 citations
55