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发明名称
Screed for cement surfaces
摘要
申请公布号
US2542979(A)
申请公布日期
1951.02.27
申请号
US19440553041
申请日期
1944.09.07
申请人
JESSE J. GARD;JESSE J. GARD
发明人
BARNES RALPH G.
分类号
E01C19/40
主分类号
E01C19/40
代理机构
代理人
主权项
地址
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