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发明名称
Construction material
摘要
申请公布号
US1917930(A)
申请公布日期
1933.07.11
申请号
US19300421155
申请日期
1930.01.16
申请人
THE PHILIP CAREY MANUFACTURING COMPANY
发明人
FISCHER ALBERT C.
分类号
E04B7/20
主分类号
E04B7/20
代理机构
代理人
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地址
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