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PL401340A1
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Safety bridge shaft
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PL389923A1
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Railway transport car and railway transport unit and a railway transport system comprising a transport car
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PL361039A1
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Device designed to equalize tension of shaft hoist lifting ropes
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PL342331A1
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Portable device for inspecting mine shaft lining and equipment for their condition and for recording corresponding data
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PL339193A1
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Rotary coupler for ropes and gin tubs
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PL338568A1
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Apparatus for increasing tractive adhesion of road vehicle wheels
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PL338152A1
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Half-platform for protecting an underground mine shaft bottom
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PL337859A1
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Platform for protecting the bottom of an underground mine shaft
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PL329143A1
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Method of replacing hoisting ropes of mine shaft hoists
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PL324998A1
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Adapter for suspeding gin tubs on a plurality of ropes
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PL324576A1
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Portable shaft repair set
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PL321606A1
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V-shaped hanging assenbly for flat steel/rubber ropes
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PL312083A1
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Method of replacing hoisting ropes in drawing engines
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PL310242A1
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Round steel rope slinge
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PL307944A1
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Suspension system for a closed-loop flat rope
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PL301241A3
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Holder for gripping ends of short flat steel-rubber rope sections
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PL301014A1
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Method of gripping ends of short sections of flat ropes and rope and grip therefor
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PL300310A1
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Rope clamp for ropes of circular cross section
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PL300228A1
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Turning station for lift shaft tail ropes
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PL300229A1
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Wedge type clamp for a flat tail rope
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