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发明名称
Foundation support
摘要
申请公布号
US2887871(A)
申请公布日期
1959.05.26
申请号
US19520323906
申请日期
1952.12.03
申请人
CHINN ERLE W
发明人
CHINN ERLE W.
分类号
E04B1/72
主分类号
E04B1/72
代理机构
代理人
主权项
地址
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