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发明名称
摘要
申请公布号
LU50726(A)
申请公布日期
1966.05.23
申请号
LU19660050726
申请日期
1966.03.22
申请人
发明人
分类号
B28B23/04;B28B23/06;B28B23/22;E04C3/26;E04C3/29
主分类号
B28B23/04
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代理人
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