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Device for permitting exchange of electrical conductors in the earth has bore head to displace earth around conductor
Device for permitting exchange of electrical conductors in the earth has bore head to displace earth around conductor
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机译:用于允许在大地中交换电导体的装置具有孔头,用于在导体周围移动大地
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摘要
An upper bore head (1) for displacing the earth in the region of a cable has a circular geometry and a front surface (2) having a round element which is at a 90[deg] angle to the drive direction of the bore head.
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