Improvements in or relating to wave responsive apparatus,申请号GB19300011348-传众专利搜索

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发明名称	Improvements in or relating to wave responsive apparatus
摘要
申请公布号	GB352942(A)	申请公布日期	1931.07.09
申请号	GB19300011348	申请日期	1930.04.09
申请人	JAMES ROBINSON	发明人
分类号	H03H9/48	主分类号	H03H9/48
代理机构		代理人
主权项
地址

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