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发明名称
Accordion shift mechanism
摘要
申请公布号
US2051620(A)
申请公布日期
1936.08.18
申请号
US19350040667
申请日期
1935.09.16
申请人
WURLITZER GRAND PIANO COMPANY
发明人
SCHMIDT OTTO
分类号
G10D11/02
主分类号
G10D11/02
代理机构
代理人
主权项
地址
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