Patent classifications
E
FIXED CONSTRUCTIONS
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E02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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E02F
DREDGING; SOIL-SHIFTING
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3/00
Dredgers; Soil-shifting machines
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E02F3/96
with arrangements for alternate; or simultaneous; use of different digging elements
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E02F3/968
Storing, handling or otherwise manipulating tools when detached from the machine
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