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发明名称
Accordion
摘要
申请公布号
US2189531(A)
申请公布日期
1940.02.06
申请号
US19370131851
申请日期
1937.03.19
申请人
SEARS, ROEBUCK AND CO.
发明人
PRINCIPE EMIL N. DEL
分类号
G10D11/00
主分类号
G10D11/00
代理机构
代理人
主权项
地址
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