Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01D
CONSTRUCTION OF BRIDGES,; ELEVATED ROADWAYS; OR VIADUCTS; ASSEMBLY OF BRIDGES
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15/00
Movable or portable bridges; Floating bridges
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E01D15/12
Portable or sectional bridges
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E01D15/127
combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof
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