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发明名称
Bridge flooring
摘要
申请公布号
US2210252(A)
申请公布日期
1940.08.06
申请号
US19380220888
申请日期
1938.07.23
申请人
NEELD CHARLES M
发明人
NEELD CHARLES M.
分类号
E01D19/12;E01F15/04;E04B5/29
主分类号
E01D19/12
代理机构
代理人
主权项
地址
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