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发明名称
Screed support
摘要
申请公布号
US2224273(A)
申请公布日期
1940.12.10
申请号
US19370128170
申请日期
1937.02.27
申请人
NEPTUNE HERMAN P
发明人
NEPTUNE HERMAN P.
分类号
E04F21/05
主分类号
E04F21/05
代理机构
代理人
主权项
地址
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