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发明名称
Method of laying, forming, and interconnecteng concrete blocks
摘要
申请公布号
US2408585(A)
申请公布日期
1946.10.01
申请号
US19440570443
申请日期
1944.12.29
申请人
SMITH JESSE W
发明人
SMITH JESSE W.
分类号
E01C5/08
主分类号
E01C5/08
代理机构
代理人
主权项
地址
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