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Conveyor drive gear box
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Patent number 4,438,837
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Issue date Mar 27, 1984
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Mining Supplies Limited
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Brian R. Stoppani
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Mine system
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Patent number 4,407,545
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Issue date Oct 4, 1983
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Mining Supplies Limited
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Brian R. Stoppani
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E21 - EARTH DRILLING MINING
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Mining equipment
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Patent number 4,358,161
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Issue date Nov 9, 1982
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Mining Supplies Limited
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Raymond Needham
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E21 - EARTH DRILLING MINING
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Conveyor joint
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Patent number 4,098,396
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Issue date Jul 4, 1978
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Mining Supplies Limited
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Brian Raymond Stoppani
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL