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经营范围
发明名称
Building strip and construction
摘要
申请公布号
US1826674(A)
申请公布日期
1931.10.06
申请号
US19300452608
申请日期
1930.05.15
申请人
BIRD & SON, INC.
发明人
ROBERTS BENJAMIN H.;GACH ERICH
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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