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发明名称
Toy musical instrument
摘要
申请公布号
US2475213(A)
申请公布日期
1949.07.05
申请号
US19460684217
申请日期
1946.07.17
申请人
BANCROFT JOSEPH C
发明人
BANCROFT JOSEPH C.
分类号
G10D13/08
主分类号
G10D13/08
代理机构
代理人
主权项
地址
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