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Document Type and Number:
Japanese Patent JPS5327884
Kind Code:
B2
More Like This:
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JPH0650035[Title of the Invention] A shield method and a shield excavator using a hexagonal segment.
JP2960996INDUSTRIAL APPLICABILITY: Shield excavator and method for controlling its direction.
Application Number:
JP4188375A
Publication Date:
August 11, 1978
Filing Date:
April 08, 1975
Export Citation:
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International Classes:
E21D9/06; E02F5/18; E21D9/08



 
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