Double structure O-ring and it's manufacturing method,申请号KR20050073191-传众专利搜索

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发明名称	Double structure O-ring and it's manufacturing method
摘要
申请公布号	KR20070018463(A)	申请公布日期	2007.02.14
申请号	KR20050073191	申请日期	2005.08.10
申请人		发明人
分类号	H01L21/3065	主分类号	H01L21/3065
代理机构		代理人
主权项
地址

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