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发明名称
Concrete laying and placing machine
摘要
申请公布号
US2179553(A)
申请公布日期
1939.11.14
申请号
US19350031835
申请日期
1935.07.17
申请人
HADLEY HOMER M
发明人
HADLEY HOMER M.
分类号
E01C19/48
主分类号
E01C19/48
代理机构
代理人
主权项
地址
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