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发明名称
摘要
申请公布号
JPS5257431(U)
申请公布日期
1977.04.26
申请号
JP19750145483U
申请日期
1975.10.24
申请人
发明人
分类号
E04H17/04;B21D31/04;B21D47/02;E04F11/18;E04H17/14;E04H17/16;E06B9/01;E06B9/06;E06B11/02;(IPC1-7):E04H17/14
主分类号
E04H17/04
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