Protective coating for gem stones,申请号DE19691957197-传众专利搜索

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发明名称	Protective coating for gem stones
摘要
申请公布号	DE1957197(A1)	申请公布日期	1971.05.19
申请号	DE19691957197	申请日期	1969.11.14
申请人	LINER TECHNOLOGY INC.	发明人	ERNEST MAYER,SIMON
分类号	C03C17/245;C04B41/50;C04B41/87;C23C16/40	主分类号	C03C17/245
代理机构		代理人
主权项
地址

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