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发明名称
摘要
申请公布号
FR1194184(A)
申请公布日期
1959.11.06
申请号
FRD1194184
申请日期
申请人
发明人
分类号
E04B1/74;E04B1/84;E04B1/88
主分类号
E04B1/74
代理机构
代理人
主权项
地址
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