OPENING AND CLOSING DEVICE FOR TREMIE TUBE,申请号JP19870317151-传众专利搜索

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发明名称	OPENING AND CLOSING DEVICE FOR TREMIE TUBE
摘要
申请公布号	JPH01158110(A)	申请公布日期	1989.06.21
申请号	JP19870317151	申请日期	1987.12.15
申请人	KITAGAWA KIYOSHI	发明人	KITAGAWA KIYOSHI
分类号	E02D15/06	主分类号	E02D15/06
代理机构		代理人
主权项
地址

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