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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E04F21/18
for setting wall or ceiling slabs or plates
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E04F21/1838
for setting a plurality of similar elements
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E04F21/1844
by applying them one by one
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