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Application filed by Betonroehren Und PlattenwerkefiledCriticalBetonroehren Und Plattenwerke
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Publication of AT171435BpublicationCriticalpatent/AT171435B/en
AT171435D1948-09-201948-09-20
Round machine for the production of high pressure pipes from hardening building materials, especially cement
AT171435B
(en)