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发明名称
Contraction control joint
摘要
申请公布号
US3391510(A)
申请公布日期
1968.07.09
申请号
US19660553198
申请日期
1966.05.26
申请人
ARNEY J. HARBERT
发明人
HARBERT ARNEY J.
分类号
E04B1/68
主分类号
E04B1/68
代理机构
代理人
主权项
地址
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