Improvements in variable density goggles,申请号GB19430017936-传众专利搜索

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发明名称	Improvements in variable density goggles
摘要
申请公布号	GB573676(A)	申请公布日期	1945.11.30
申请号	GB19430017936	申请日期	1943.10.29
申请人	ARTHUR ABBEY	发明人
分类号	A61F9/02;G02C7/12	主分类号	A61F9/02
代理机构		代理人
主权项
地址

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