Thermal protective device for a lens,申请号GB19800024076-传众专利搜索

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发明名称	Thermal protective device for a lens
摘要
申请公布号	GB2057156(A)	申请公布日期	1981.03.25
申请号	GB19800024076	申请日期	1980.07.23
申请人	WOOLEN D	发明人
分类号	G02B27/00;(IPC1-7):G12B15/04;G02B23/00	主分类号	G02B27/00
代理机构		代理人
主权项
地址

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