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PL361480A1
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Hydraulic prop self-closing modular casing
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PL356135A1
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Method of protective coating of inner working surfaces of hydraulic cylinder
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PL355000A1
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Modular shield for outer working surfaces of hydraulic cylinders, particularly for mining props
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PL341772A1
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Piston sealing package
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PL340188A1
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Corrective stuffing-box for hydraulic cylinders
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PL339101A1
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Sealing package for pistons
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PL337835A1
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Stationary packing for sealing a power hydraulic sub-assembly
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PL337468A1
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Hydraulic cylinder piston sealing assembly
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PL336671A1
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Stationary stuffing-box packing assembly for hydraulic cylinders
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PL336455A1
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Unidirectional packing ring for a pneumatic cylinder stuffing-box
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PL335547A1
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Apparatus for forcibly inducing close adherence of metal sheet coil to its cylindrical core
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PL322662A1
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Self-clamping structural joint
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PL317667A1
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Method of making leak-tight connection of a thin-walled pipe to a thick-walled cylindrical object
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PL317496A1
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Protective coating for roads or pipes
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PL317387A1
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Method of forcibly provoking optimally close fit of thin metal sheet on its cylindrical substrate and apparatus therefor
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PL317180A1
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Method of making guiding rings and guiding/antiestrusion rings by thermal moulding process and apparatus therefor
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PL317036A1
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Detachable bottom sub-assembly of a piston and piston rod assembly used in hydraulic cylinders
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PL316228A1
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Sealing ring of reversible cross-sectional profile
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