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DE3532070A1
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Roof bolt, in particular for mining
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DE3532069A1
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Roof bolt, in particular for mining
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DE3313003A1
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Rock anchor
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DE3219356A1
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Rock anchor for insertion into a bore hole which contains an adhesive cartridge
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DE3012613A1
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Tunnel or mine gallery support matting anchorage - involves bushings holding paired sliding bars distributed round periphery
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GB1566383A
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Cartidges for use in securing anchorages in holes
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GB1581113A
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Tool for use in inserting an anchor bolt or the like into a hole
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DE2746073A1
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DEVICE FOR SETTING AN ADHESIVE ANCHOR
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DE2719922B1
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Device for setting an adhesive anchor
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DE2629351B1
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Mine anchor bolt setting adaptor - has hole through top fitting nut on anchor and houses spring and pressure plate
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DE2555527B1
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Strata bolt with resin cartridge - has tube on bolt shaft at hole end forming thin walled flat mixing tool
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