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发明名称
Wall construction panel
摘要
申请公布号
US2578614(A)
申请公布日期
1951.12.11
申请号
US19470738284
申请日期
1947.03.31
申请人
JOSEPH SYLVAN
发明人
SYLVAN JOSEPH
分类号
E04C2/38
主分类号
E04C2/38
代理机构
代理人
主权项
地址
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