Improvements in or relating to devices for limiting a beam of rays,申请号GB19570002186-传众专利搜索

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发明名称	Improvements in or relating to devices for limiting a beam of rays
摘要
申请公布号	GB811192(A)	申请公布日期	1959.04.02
申请号	GB19570002186	申请日期	1957.01.21
申请人	SIEMENS-REINIGER-WERKE AKTIENGESELLSCHAFT	发明人
分类号	G21K1/04	主分类号	G21K1/04
代理机构		代理人
主权项
地址

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