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发明名称
Mechanical brick press
摘要
申请公布号
US1820366(A)
申请公布日期
1931.08.25
申请号
US19280249437
申请日期
1928.01.25
申请人
GASTON RIGAUX
发明人
RIGAUX GASTON
分类号
E21C47/10
主分类号
E21C47/10
代理机构
代理人
主权项
地址
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