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发明名称
摘要
申请公布号
JPH0314490(Y2)
申请公布日期
1991.03.29
申请号
JP19850077516U
申请日期
1985.05.24
申请人
发明人
分类号
E04D1/30;(IPC1-7):E04D1/30
主分类号
E04D1/30
代理机构
代理人
主权项
地址
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