Improvements in dental radiography,申请号GB19290025276-传众专利搜索

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发明名称	Improvements in dental radiography
摘要
申请公布号	GB319321(A)	申请公布日期	1930.06.26
申请号	GB19290025276	申请日期	1929.08.19
申请人	HARRY J. BOSWORTH COMPANY	发明人
分类号	G03B42/04	主分类号	G03B42/04
代理机构		代理人
主权项
地址

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