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发明名称
Solenoid armature rod means and striker means for pianos
摘要
申请公布号
US3088360(A)
申请公布日期
1963.05.07
申请号
US19610098825
申请日期
1961.03.28
申请人
AURORA CORPORATION OF ILLINOIS
发明人
HAYDEN ARTHUR H.
分类号
G10F5/02
主分类号
G10F5/02
代理机构
代理人
主权项
地址
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