RECTANGULAR SHIELD EXCAVATOR,申请号JP19910069533-传众专利搜索

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发明名称	RECTANGULAR SHIELD EXCAVATOR
摘要
申请公布号	JPH04357298(A)	申请公布日期	1992.12.10
申请号	JP19910069533	申请日期	1991.01.14
申请人	ISEKI TORY TECH INC;PENTA OCEAN CONSTR CO LTD	发明人	AKESAKA TOSHIO;HAMADA KAZUTO
分类号	E21D9/087;E21D9/08;E21D9/12	主分类号	E21D9/087
代理机构		代理人
主权项
地址

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