METHOD OF IMPROVING EXCAVATING LAND,申请号JP19760053926-传众专利搜索

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发明名称	METHOD OF IMPROVING EXCAVATING LAND
摘要
申请公布号	JPS52137137(A)	申请公布日期	1977.11.16
申请号	JP19760053926	申请日期	1976.05.11
申请人	OSAKA GAS CO LTD	发明人	WADA YOSHIO;OOTANI TOORU
分类号	E02F7/00;E01C3/00;E01C19/02;E01C21/00	主分类号	E02F7/00
代理机构		代理人
主权项
地址

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