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发明名称
摘要
申请公布号
JPH0450750(Y2)
申请公布日期
1992.11.30
申请号
JP19860107775U
申请日期
1986.07.14
申请人
发明人
分类号
E04D13/072;(IPC1-7):E04D13/06
主分类号
E04D13/072
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代理人
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地址
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