A FORMING METHOD OF DITCH COVER,申请号HK20100103524-传众专利搜索

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发明名称	A FORMING METHOD OF DITCH COVER
摘要
申请公布号	HK1146452(A2)	申请公布日期	2011.06.03
申请号	HK20100103524	申请日期	2010.04.09
申请人	TSANG HING LING	发明人	TSANG HING LING
分类号	E03F	主分类号	E03F
代理机构		代理人
主权项
地址

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