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经营范围
发明名称
Earring
摘要
申请公布号
US2034503(A)
申请公布日期
1936.03.17
申请号
US19330664477
申请日期
1933.04.05
申请人
BARNES CHARLES E
发明人
BARNES CHARLES E.
分类号
A44C7/00
主分类号
A44C7/00
代理机构
代理人
主权项
地址
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