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摘要
申请公布号
JPS5533363(U)
申请公布日期
1980.03.04
申请号
JP19780117077U
申请日期
1978.08.25
申请人
发明人
分类号
E04D5/12;E04B1/64;E04D11/00;E04D11/02;(IPC1-7):E04D11/02
主分类号
E04D5/12
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