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发明名称
摘要
申请公布号
FR2250084(B1)
申请公布日期
1980.04.30
申请号
FR19750001667
申请日期
1975.01.20
申请人
NIPPON STEEL CORP
发明人
分类号
E04B1/70;F26B3/34;F26B21/00;(IPC1-7):F26B3/34;C04B35/68;F26B19/00;F26B23/08
主分类号
E04B1/70
代理机构
代理人
主权项
地址
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