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发明名称
摘要
申请公布号
JPS4735105(U)
申请公布日期
1972.12.19
申请号
JP19710036098U
申请日期
1971.05.08
申请人
发明人
分类号
E04H12/22;E02D27/01;E02D27/42;(IPC1-7):E02D27/01
主分类号
E04H12/22
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代理人
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