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发明名称
摘要
申请公布号
JPH0427005(U)
申请公布日期
1992.03.04
申请号
JP19900067223U
申请日期
1990.06.27
申请人
发明人
分类号
E04B1/94;(IPC1-7):E04B1/94
主分类号
E04B1/94
代理机构
代理人
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地址
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