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发明名称
SYSTEM FOR CONNECTING PRECAST CONCRETE SLABS TOGETHER
摘要
申请公布号
US3621626(A)
申请公布日期
1971.11.23
申请号
USD3621626
申请日期
1970.05.07
申请人
ALVIC DEVELOPMENT CORP.
发明人
ADOLFO TYLIUS
分类号
E04B1/04;(IPC1-7):E04C1/10;E04C3/22
主分类号
E04B1/04
代理机构
代理人
主权项
地址
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