EXCAVATING METHOD AND APPARATUS,申请号JP19810003372-传众专利搜索

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发明名称	EXCAVATING METHOD AND APPARATUS
摘要
申请公布号	JPS57116896(A)	申请公布日期	1982.07.21
申请号	JP19810003372	申请日期	1981.01.13
申请人	TAKUU KIKAI KK	发明人	IIMURA HISAO
分类号	E02F7/04;E21D9/10	主分类号	E02F7/04
代理机构		代理人
主权项
地址

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