PIT FILLING METHOD,申请号JP19770075710-传众专利搜索

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发明名称	PIT FILLING METHOD
摘要
申请公布号	JPS5410202(A)	申请公布日期	1979.01.25
申请号	JP19770075710	申请日期	1977.06.25
申请人	MITSUBISHI MINING & CEMENT CO	发明人	KIRA KINICHI;TSUTSUMI TETSUO;KAKINUMA TOSHIAKI
分类号	E21F15/00	主分类号	E21F15/00
代理机构		代理人
主权项
地址

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