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发明名称
Screed support
摘要
申请公布号
US2281946(A)
申请公布日期
1942.05.05
申请号
US19390258529
申请日期
1939.02.25
申请人
POIRIER & MCLANE CORPORATION
发明人
JR. LAMBERT J. O'NEILL,
分类号
E01C23/01
主分类号
E01C23/01
代理机构
代理人
主权项
地址
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