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发明名称
CONCRETE JOINT LOAD TRANSFER DEVICE
摘要
申请公布号
US3559541(A)
申请公布日期
1971.02.02
申请号
USD3559541
申请日期
1969.07.08
申请人
DAVID WATSTEIN
发明人
DAVID WATSTEIN
分类号
E01C11/14;(IPC1-7):E01C11/10
主分类号
E01C11/14
代理机构
代理人
主权项
地址
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