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发明名称
Process of making mosaic
摘要
申请公布号
US2274907(A)
申请公布日期
1942.03.03
申请号
US19410396031
申请日期
1941.05.31
申请人
MADALA JOSEPH A
发明人
MADALA JOSEPH A.
分类号
B28B1/00;B44C3/04
主分类号
B28B1/00
代理机构
代理人
主权项
地址
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