Collapsible type eyeshield,申请号US19420453352-传众专利搜索

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发明名称	Collapsible type eyeshield
摘要
申请公布号	US2409243(A)	申请公布日期	1946.10.15
申请号	US19420453352	申请日期	1942.08.03
申请人	AMERICAN OPTICAL COMPANY	发明人	BERNHEIM DANIEL P.;GLASBERG MYER M.
分类号	A61F9/02	主分类号	A61F9/02
代理机构		代理人
主权项
地址

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