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经营范围
发明名称
RENEWABLE SWITCH CONSTRUCTION
摘要
申请公布号
CA643340(A)
申请公布日期
1962.06.19
申请号
CAD643340
申请日期
申请人
THE BALDWIN PIANO COMPANY (CANADA) LTD.
发明人
ALFRED J. BISSONETTE;ROBERT D. LAPP
分类号
主分类号
代理机构
代理人
主权项
地址
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