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发明名称
Panel and method of manufacture
摘要
申请公布号
US2751946(A)
申请公布日期
1956.06.26
申请号
US19510254760
申请日期
1951.11.03
申请人
GRAMWOOD OF INDIANA
发明人
GRAMELSPACHER CLARENCE U.
分类号
E04C2/12
主分类号
E04C2/12
代理机构
代理人
主权项
地址
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