PL274079A1 - Method of making precast concrete units by mechanical compacting of hot concrete mixes with simultaneous application of vacuum
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Method of making precast concrete units by mechanical compacting of hot concrete mixes with simultaneous application of vacuum
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Priority to PL27407988ApriorityCriticalpatent/PL155680B1/en
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Publication of PL155680B1publicationCriticalpatent/PL155680B1/en
PL27407988A1988-08-031988-08-03Method of making precast concrete units by mechanical compacting of hot concrete mixes with simultaneous application of vacuum
PL155680B1
(en)