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Jorg Fischer
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Waldachtal/Tumlingen, DE
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Patent Grant
Composite plug for mounting objects in a drilled hole in masonry
Patent number
4,893,974
Issue date
Jan 16, 1990
Fischerwerke Artur Fischer GmbH & Co. KG
Artur Fischer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...