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Percussion drill hammer
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Patent number 4,460,051
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Issue date Jul 17, 1984
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Spindel-, Motoren- und Maschinenfabrik AG
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Dieter Widmer
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Spinning spindle assembly
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Patent number 3,958,843
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Issue date May 25, 1976
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Spindel-Motoren-und Maschinenfabrik A.G.
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Dieter Widmer
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Textile spindle
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Patent number 3,945,187
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Issue date Mar 23, 1976
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Spindel-,Motoren- Und Maschinenfabrik A.G.
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Dieter Widmer
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING