Patent classifications
E
FIXED CONSTRUCTIONS
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E02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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E02D
FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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13/00
Accessories for placing or removing piles or bulkheads; , e.g. noise attenuating chambers
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E02D13/04
Guide devices; Guide frames
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