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Expansion anchor
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Patent number 5,211,512
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Issue date May 18, 1993
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Upat GmbH & Co
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Albert Frischmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Spreading anchor
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Patent number 4,702,654
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Issue date Oct 27, 1987
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Upat GmbH & Co
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Albert Frischmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Anchoring bolt
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Patent number 4,575,294
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Issue date Mar 11, 1986
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Upat GmbH & Co
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Kurt Mermi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Anchoring bolt
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Patent number 4,518,290
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Issue date May 21, 1985
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Upat GmbH & Co
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Albert Frichmann
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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