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发明名称
Musical instrument
摘要
申请公布号
US1880961(A)
申请公布日期
1932.10.04
申请号
US19310509151
申请日期
1931.01.16
申请人
KINGSLEY HAROLD T
发明人
KINGSLEY HAROLD T.
分类号
G10D9/00
主分类号
G10D9/00
代理机构
代理人
主权项
地址
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