METHOD OF REMOVING GRAVEL FROM PRESSURE RECEIVING RING FOR UNDERGROUND CONNECTING TYPE SHIELD MACHINE,申请号JP19880116481-传众专利搜索

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发明名称	METHOD OF REMOVING GRAVEL FROM PRESSURE RECEIVING RING FOR UNDERGROUND CONNECTING TYPE SHIELD MACHINE
摘要
申请公布号	JPH01287395(A)	申请公布日期	1989.11.20
申请号	JP19880116481	申请日期	1988.05.13
申请人	SHIMIZU CORP;MITSUBISHI HEAVY IND LTD	发明人	ASO TOSHIMITSU;WATANABE TOSHIO;MIYAZAWA KAZUO
分类号	E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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