ESPIRAL DUPLA E PROCESSO PARA A FABRICACAO DE ESPIRAL DUPLA,申请号BR19910005305-传众专利搜索

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发明名称	ESPIRAL DUPLA E PROCESSO PARA A FABRICACAO DE ESPIRAL DUPLA
摘要
申请公布号	BR9105305(A)	申请公布日期	1992.08.18
申请号	BR19910005305	申请日期	1991.12.10
申请人	SITEG SIEBTECHNIK GMBH	发明人	JOHANNES LEFFERTS
分类号	B29C53/12;B65G15/54;D21F1/00;(IPC1-7):F16S3/02;B29D29/06	主分类号	B29C53/12
代理机构		代理人
主权项
地址

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