GB1135805A
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Method of forming an extended body from a fluent, hardening material
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GB1133661A
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Method of burying a long and flexible object and apparatus for use in this method
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GB1132180A
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Mechanical vibration generator
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GB1132561A
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Sonic soil cultivator
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GB1124649A
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Method and apparatus for cutting into a surface layer, for example, paving
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GB1100918A
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Oscillator means for a vibratory pile driver
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Method and apparatus for creating a load bearing region in earthen material
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Vibratory pile driver
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GB978198A
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Sonic wave earth digging and moving machines
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GB971620A
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Apparatus for generating and transmitting vibrations
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