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CPC Subgroup
B28B 21/06

into moulds having sliding parts (B28B21/26 takes precedence; forms, shutterings, or falsework for making rooms as a whole, whole stories, or whole buildings in situ E04G11/02)

Full Title

Methods or machines specially adapted for the production of tubular articles > by casting into moulds > into moulds having sliding parts (B28B21/26 takes precedence; forms, shutterings, or falsework for making rooms as a whole, whole stories, or whole buildings in situ E04G11/02)