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发明名称
摘要
申请公布号	JP3249771(B2)	申请公布日期	2002.01.21
申请号	JP19970343799	申请日期	1997.11.28
申请人		发明人
分类号	E04G21/02;(IPC1-7):E04G21/02	主分类号	E04G21/02
代理机构		代理人
主权项
地址

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