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发明名称
Pneumatic for piano player
摘要
申请公布号
US3033068(A)
申请公布日期
1962.05.08
申请号
US19610086216
申请日期
1961.01.31
申请人
LEE B. SKINNER;WILLIAM H. WILLIAMS
发明人
WESTFIELD JOHN A.
分类号
G10F1/16
主分类号
G10F1/16
代理机构
代理人
主权项
地址
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