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发明名称
Building structure or unit
摘要
申请公布号
US2335836(A)
申请公布日期
1943.11.30
申请号
US19410394402
申请日期
1941.05.21
申请人
ZIMMERMAN HENRY H
发明人
ZIMMERMAN HENRY H.
分类号
E04C2/36
主分类号
E04C2/36
代理机构
代理人
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地址
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