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发明名称
摘要
申请公布号
JPS4313897(Y1)
申请公布日期
1968.06.12
申请号
JP19640079402U
申请日期
1964.10.07
申请人
发明人
分类号
E04F11/04;E04F11/06;(IPC1-7):E04F11/06
主分类号
E04F11/04
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