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发明名称
摘要
申请公布号	JPH0379519(B2)	申请公布日期	1991.12.19
申请号	JP19880067309	申请日期	1988.03.23
申请人	UNIV KYUSHU	发明人	YUHARA KOZO
分类号	E21B37/00;E21B43/00	主分类号	E21B37/00
代理机构		代理人
主权项
地址

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