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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2201/00
Joining sheets or plates or panels
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E04F2201/01
Joining sheets, plates or panels with edges in abutting relationship
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E04F2201/0138
by moving the sheets, plates or panels perpendicular to the main plane
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E04F2201/0146
with snap action of the edge connectors
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