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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E04F21/02
for applying plasticised masses to surfaces, e.g. plastering walls
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E04F21/06
Implements for applying plaster, insulating material, or the like
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E04F21/12
acting by gas pressure, e.g. steam pressure
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