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发明名称
Precast concrete corrugated connection
摘要
申请公布号
US2414738(A)
申请公布日期
1947.01.21
申请号
US19450593375
申请日期
1945.05.12
申请人
WILLIAM P. WITHEROW
发明人
HENDERSON ALBERT
分类号
E04B1/21
主分类号
E04B1/21
代理机构
代理人
主权项
地址
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