CPC Subgroup Additional Only
E04F 2201/025 with tongue and grooves alternating transversally in the direction of the thickness of the panel, e.g. multiple tongue and grooves oriented parallel to each other
Full Title
Joining sheets or plates or panels > Non-undercut connections, e.g. tongue and groove connections > with tongue and grooves alternating transversally in the direction of the thickness of the panel, e.g. multiple tongue and grooves oriented parallel to each other