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发明名称
Post supporting structure and manufacture thereof
摘要
申请公布号
US2129999(A)
申请公布日期
1938.09.13
申请号
US19350022237
申请日期
1935.05.18
申请人
发明人
分类号
E04F11/18
主分类号
E04F11/18
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代理人
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地址
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