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发明名称
Floor or pavement and method of producing the same
摘要
申请公布号
US1765652(A)
申请公布日期
1930.06.24
申请号
US19280283156
申请日期
1928.06.06
申请人
A. O. SMITH CORPORATION
发明人
BURGESS EDWARD W.
分类号
E01C11/16
主分类号
E01C11/16
代理机构
代理人
主权项
地址
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