BUFFER DEVICE OF FACING ABNORMAL WATER PRESSURE IN METHOD OF MUDDY WATER SYSTEM SHIELD CONSTRUCTION,申请号JP19750145124-传众专利搜索

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发明名称	BUFFER DEVICE OF FACING ABNORMAL WATER PRESSURE IN METHOD OF MUDDY WATER SYSTEM SHIELD CONSTRUCTION
摘要
申请公布号	JPS5270544(A)	申请公布日期	1977.06.11
申请号	JP19750145124	申请日期	1975.12.08
申请人	MITSUBISHI HEAVY IND LTD	发明人	YASUDA TSUTOMU;HATAGOSHI AKIRA
分类号	E21D9/13;E21D9/06	主分类号	E21D9/13
代理机构		代理人
主权项
地址

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