Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
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21/00
Implements for finishing work on buildings
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E04F21/24
of masses made in situ, e.g. smoothing tools
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E04F21/241
Elongated smoothing blades or plates, e.g. screed apparatus
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