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发明名称
摘要
申请公布号
JPS4416057(Y1)
申请公布日期
1969.07.10
申请号
JP19650057278U
申请日期
1965.07.13
申请人
发明人
分类号
E01C11/26;(IPC1-7):E01C11/26
主分类号
E01C11/26
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代理人
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地址
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