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Inventor
FRIEDRICHS RENATE
DE
3 patents
Patents
3 patents
US4454627A
Jun 19, 1984
Device for cleaning textile surfaces
VORWERK CO INTERHOLDING
34 citations
89
US4561992A
Dec 31, 1985
Aerosol cleaning agent for textile surfaces
VORWERK CO INTERHOLDING
11 citations
71
US4785492A
Nov 22, 1988
Floor cleaning apparatus
VORWERK CO INTERHOLDING
3 citations
60