作者: Maurice Joyant , Jacques Malarbet
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摘要: The process consists in carrying out situ the cavity of a two-part mould following operations: - spraying layer reactive liquid substance against contoured wall (6) ram (4) and allowing sprayed to polymerise order form shell (10); (5) die (1) mould; closing by applying two portions each other whilst keeping (10) lining (9) place; injecting between so as produce an intermediate block them.