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发明名称
Image and method of making the same
摘要
申请公布号
US1801200(A)
申请公布日期
1931.04.14
申请号
US19290374651
申请日期
1929.06.29
申请人
HOWELL ARTHUR B
发明人
HOWELL ARTHUR B.
分类号
B44B1/00;B44C3/04
主分类号
B44B1/00
代理机构
代理人
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