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发明名称
Screed support
摘要
申请公布号
US2129568(A)
申请公布日期
1938.09.06
申请号
US19380196501
申请日期
1938.03.17
申请人
DE BIASI CHARLES P
发明人
BIASI CHARLES P. DE
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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