BOTTOM WIDENING EXCAVATING BUCKET,申请号JP19880202024-传众专利搜索

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发明名称	BOTTOM WIDENING EXCAVATING BUCKET
摘要
申请公布号	JPH0254085(A)	申请公布日期	1990.02.23
申请号	JP19880202024	申请日期	1988.08.15
申请人	MITSUBISHI HEAVY IND LTD	发明人	KAMIYOSHI YOSHINORI;KIKUTA SEIICHIRO
分类号	E21B11/00	主分类号	E21B11/00
代理机构		代理人
主权项
地址

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