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发明名称
摘要
申请公布号
JPS5313891(B2)
申请公布日期
1978.05.13
申请号
JP19750015066
申请日期
1975.02.04
申请人
发明人
分类号
E04B2/74;E04C3/02
主分类号
E04B2/74
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地址
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