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Rock bolt component
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Patent number D939948
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Issue date Jan 4, 2022
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RSC Mining (Pty) Ltd
-
Frans Hermanus Cronje
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D08 - Tools and hardware
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Rock bolt
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Patent number 8,876,436
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Issue date Nov 4, 2014
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RSC Mining (Pty) Ltd
-
Johann Steyn
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E21 - EARTH DRILLING MINING
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Rock bolt
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Patent number 8,801,336
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Issue date Aug 12, 2014
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RSC Mining (Pty) Ltd
-
Johann Steyn
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E21 - EARTH DRILLING MINING
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Rock anchor assembly
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Patent number 5,556,233
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Issue date Sep 17, 1996
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RSC Mining (Proprietary) Limited
-
Vilmos Kovago
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E21 - EARTH DRILLING MINING