Composite gem and jewel,申请号US19250071312-传众专利搜索

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发明名称	Composite gem and jewel
摘要
申请公布号	US1827695(A)	申请公布日期	1931.10.13
申请号	US19250071312	申请日期	1925.11.25
申请人	WELCH HORACE H	发明人	WELCH HORACE H.
分类号	A44C17/00	主分类号	A44C17/00
代理机构		代理人
主权项
地址

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