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发明名称
Rotatable marking tool
摘要
申请公布号
US2610576(A)
申请公布日期
1952.09.16
申请号
US19490123854
申请日期
1949.10.27
申请人
NEW METHOD STEEL STAMPS, INC.
发明人
NORRIS RICHARD H.
分类号
B44B5/00
主分类号
B44B5/00
代理机构
代理人
主权项
地址
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