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发明名称
Partition wall and structural members therefor
摘要
申请公布号
US1831163(A)
申请公布日期
1931.11.10
申请号
US19290387328
申请日期
1929.08.21
申请人
CROWELL BENJAMIN E
发明人
CROWELL BENJAMIN E.
分类号
E04B2/74;E04B2/78
主分类号
E04B2/74
代理机构
代理人
主权项
地址
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