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经营范围
发明名称
Sostenuto device for organs
摘要
申请公布号
US1769369(A)
申请公布日期
1930.07.01
申请号
US19250076174
申请日期
1925.12.18
申请人
THE RUDOLPH WURLITZER MANUFACTURING COMPANY
发明人
DEVERALL CHARLES N.
分类号
G10B1/04
主分类号
G10B1/04
代理机构
代理人
主权项
地址
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