Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B28
WORKING CEMENT, CLAY, OR STONE
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B28B
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
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B28B7/24
Unitary mould structures with a plurality of moulding spaces; , e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
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B28B7/241
Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces
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