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Priority claimed from DE1958W0020212external-prioritypatent/DE1784900U/en
Application filed by Maria WalterscheidfiledCriticalMaria Walterscheid
Publication of BE581273ApublicationCriticalpatent/BE581273A/en
Process for the manufacture of covering and insulation walls or plates or wall coverings or articles and plates, wall coverings and articles produced by this process