Combination pocket burning and magnifying glass, and compass,申请号US19300457890-传众专利搜索

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法人/股东/高管

发明名称	Combination pocket burning and magnifying glass, and compass
摘要
申请公布号	US1838494(A)	申请公布日期	1931.12.29
申请号	US19300457890	申请日期	1930.05.31
申请人	HERMAN NEUWIRTH	发明人	NEUWIRTH HERMAN
分类号	G02B25/00	主分类号	G02B25/00
代理机构		代理人
主权项
地址

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