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发明名称
摘要
申请公布号	JPH0671746(U)	申请公布日期	1994.10.07
申请号	JP19930018492U	申请日期	1993.03.19
申请人		发明人
分类号	E04F21/22;E04G21/16;(IPC1-7):E04F21/22	主分类号	E04F21/22
代理机构		代理人
主权项
地址

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