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发明名称
Decorative button
摘要
申请公布号
US2128095(A)
申请公布日期
1938.08.23
申请号
US19340754392
申请日期
1934.11.23
申请人
HOYT LEVY A
发明人
LEVY A. HOYT
分类号
A44B1/04
主分类号
A44B1/04
代理机构
代理人
主权项
地址
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