System til Indicering af Tidspunktet for Ankomsten af Lydsvingninger.,申请号DKD44958-传众专利搜索

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发明名称	System til Indicering af Tidspunktet for Ankomsten af Lydsvingninger.
摘要
申请公布号	DK44958(C)	申请公布日期	1931.12.07
申请号	DKD44958	申请日期	1928.03.27
申请人	SUBMARINE SIGNAL COMPANY	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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