Lens assembly for industrial safety helmets,申请号US19410422344-传众专利搜索

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发明名称	Lens assembly for industrial safety helmets
摘要
申请公布号	US2301018(A)	申请公布日期	1942.11.03
申请号	US19410422344	申请日期	1941.12.10
申请人	WILLSON PRODUCTS, INC.	发明人	CLARK JOHN F.
分类号	A61F9/02;A62B18/04	主分类号	A61F9/02
代理机构		代理人
主权项
地址

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