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Priority claimed from DE200720009832external-prioritypatent/DE202007009832U1/de
Application filed by Gebr. Kemper Gmbh + Co. Kg MetallwerkefiledCriticalGebr. Kemper Gmbh + Co. Kg Metallwerke
Publication of HK1154060A1publicationCriticalpatent/HK1154060A1/zh
Publication of HK1154060BpublicationCriticalpatent/HK1154060B/zh