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PL326684A1
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Connecting pin-type link
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PL293697A1
|
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Hydraulic anchoring machine
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PL285448A1
|
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Drilling chuck
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PL162438B1
|
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Hydraulic rotary-impact drill
|
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PL275202A1
|
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Hydraulic screw and nut tightener
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PL252447A1
|
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Two-chain flexible connector
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PL252414A1
|
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Quick-coupling overlap coupler for plain link chains used in mines
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PL250537A1
|
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Coupler link for mine-type plain link chains and method of improving fatigue strength of such coupler link
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PL249722A1
|
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Hydrokinetic clutch in park-proof housing
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PL249615A1
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Cutting blade for mechanical coal miners
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PL249441A1
|
|
Method of manufacturing miner's drills and drilling rods
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|
PL248772A1
|
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Mechanical coal miner's curtting bit
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PL247892A1
|
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Plain chain coupler
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|
PL247860A1
|
|
Coupler for a double plain chain
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PL247455A1
|
|
Plain link chain
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PL246410A1
|
|
Method of manufacturing cylindrical cutters for mining machines
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PL244866A2
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Cutter for mining machines
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PL243768A1
|
|
Method of manufacturing coal cutting blades
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PL238235A1
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|
Fluid coupling
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PL233926A1
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Air discharge circuit arrangement for equipment provided with an air motor
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