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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23/00
Caissons; Construction or placing of caissons
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E02D23/02
Caissons able to be floated on water and to be lowered into water in situ
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