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Priority to FR7400821ApriorityCriticalpatent/FR2257760A1/fr
Publication of FR2257760A1publicationCriticalpatent/FR2257760A1/fr
Application grantedgrantedCritical
Publication of FR2257760B3publicationCriticalpatent/FR2257760B3/fr
FR7400821A1974-01-101974-01-10Prefabricated parallelepiped burial vault - has flat sections and angle-pieces jointed at their facing vertical edges
GrantedFR2257760A1
(en)