,申请号JP19690011755U-传众专利搜索

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发明名称
摘要
申请公布号	JPS4635559(Y1)	申请公布日期	1971.12.07
申请号	JP19690011755U	申请日期	1969.02.12
申请人		发明人
分类号	(IPC1-7):E01C19/48	主分类号	(IPC1-7):E01C19/48
代理机构		代理人
主权项
地址

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