APPARATUS FOR RECEIVING WRITTEN TELEPHONE MESSAGES,申请号CAD310339-传众专利搜索

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发明名称	APPARATUS FOR RECEIVING WRITTEN TELEPHONE MESSAGES
摘要
申请公布号	CA310339(A)	申请公布日期	1931.04.14
申请号	CAD310339	申请日期
申请人	OTTO WATZKA	发明人	OTTO WATZKA
分类号		主分类号
代理机构		代理人
主权项
地址

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