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发明名称
摘要
申请公布号
JPH0520558(B2)
申请公布日期
1993.03.19
申请号
JP19850140892
申请日期
1985.06.27
申请人
FUJIMORI KOGYO CO
发明人
SHIRAI SAKAE
分类号
E21D11/38
主分类号
E21D11/38
代理机构
代理人
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