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发明名称
Improvements in bearing bushes for use in pianoforte keys
摘要
申请公布号
GB1004792(A)
申请公布日期
1965.09.15
申请号
GB19630024908
申请日期
1963.06.22
申请人
CHRISTIAN HENRY WEHLAU
发明人
分类号
F16C33/18
主分类号
F16C33/18
代理机构
代理人
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地址
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