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Walter Becker GmbH
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Friedrichsthol, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Material moving apparatus
Patent number
5,060,405
Issue date
Oct 29, 1991
Walter Becker GmbH
Horst Siffrin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Edifice for confinement of equipment in mines and the like
Patent number
4,670,623
Issue date
Jun 2, 1987
Walter Becker GmbH
Horst Siffrin
E04 - BUILDING
Information
Patent Grant
Rail-mounted conveyance
Patent number
4,546,707
Issue date
Oct 15, 1985
Walter Becker GmbH
Horst Siffrin
B61 - RAILWAYS
Patents Applications
last 30 patents
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