Spann- und Befestigungsvorrichtung fuer Tonfilmwaende aus Kunststoff auf Polyvinylbasis,申请号DE1950SC03847-传众专利搜索

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发明名称	Spann- und Befestigungsvorrichtung fuer Tonfilmwaende aus Kunststoff auf Polyvinylbasis
摘要
申请公布号	DE835550(C)	申请公布日期	1952.04.03
申请号	DE1950SC03847	申请日期	1950.09.07
申请人	MAX SCHUMANN	发明人	SCHUMANN MAX
分类号	G03B21/56	主分类号	G03B21/56
代理机构		代理人
主权项
地址

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