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发明名称
Toy drum
摘要
申请公布号
US1877871(A)
申请公布日期
1932.09.20
申请号
US19310562475
申请日期
1931.09.12
申请人
J. CHEIN & COMPANY
发明人
HOFFMAN SAMUEL
分类号
G10D13/02
主分类号
G10D13/02
代理机构
代理人
主权项
地址
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