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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23/00
Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material;; Production of reinforced objects
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B28B23/02
wherein the elements are reinforcing members
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B28B23/12
to form prestressed circumferential reinforcements
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