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发明名称
Dowel bar structure
摘要
申请公布号
US2299670(A)
申请公布日期
1942.10.20
申请号
US19350022308
申请日期
1935.05.20
申请人
CAL C. CHAMBERS;ROBERT S. BRADSHAW, JR.
发明人
WESTCOTT CLIFFORD H.
分类号
E01C11/14
主分类号
E01C11/14
代理机构
代理人
主权项
地址
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