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发明名称
Building material
摘要
申请公布号
US2064132(A)
申请公布日期
1936.12.15
申请号
US19300473794
申请日期
1930.08.08
申请人
THE UPSON COMPANY
发明人
UPSON CHARLES A.
分类号
D21J1/16
主分类号
D21J1/16
代理机构
代理人
主权项
地址
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