A screen or grating for use in radiography,申请号GB19370004620-传众专利搜索

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发明名称	A screen or grating for use in radiography
摘要
申请公布号	GB490299(A)	申请公布日期	1938.08.12
申请号	GB19370004620	申请日期	1937.02.16
申请人	GUIDO POLLITZER	发明人
分类号	G03B42/02	主分类号	G03B42/02
代理机构		代理人
主权项
地址

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