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发明名称
Building unit
摘要
申请公布号
US2592244(A)
申请公布日期
1952.04.08
申请号
US19480055849
申请日期
1948.10.22
申请人
BIRD & SON, INC.
发明人
CHAMBERLAIN ELI L.
分类号
E04F13/14
主分类号
E04F13/14
代理机构
代理人
主权项
地址
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