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发明名称
摘要
申请公布号	JPH0426986(U)	申请公布日期	1992.03.03
申请号	JP19900068758U	申请日期	1990.06.28
申请人		发明人
分类号	E02F3/40;B66C1/68;(IPC1-7):B66C1/68	主分类号	E02F3/40
代理机构		代理人
主权项
地址

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