充填状況の観察方法,申请号JP20120175769-传众专利搜索

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发明名称	充填状況の観察方法
摘要
申请公布号	JP5918073(B2)	申请公布日期	2016.05.18
申请号	JP20120175769	申请日期	2012.08.08
申请人	大成建設株式会社	发明人	羽立行年;羽生剛;二宮孝志
分类号	E21B49/00;G03B15/00	主分类号	E21B49/00
代理机构		代理人
主权项
地址

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