Improvements in compressional wave transmitting and receiving apparatus,申请号GB19460005779-传众专利搜索

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发明名称	Improvements in compressional wave transmitting and receiving apparatus
摘要
申请公布号	GB621125(A)	申请公布日期	1949.04.05
申请号	GB19460005779	申请日期	1946.02.25
申请人	SUBMARINE SIGNAL COMPANY	发明人
分类号	B06B1/08	主分类号	B06B1/08
代理机构		代理人
主权项
地址

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