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发明名称
CHAIR
摘要
申请公布号
CA317970(A)
申请公布日期
1931.12.15
申请号
CAD317970
申请日期
申请人
WILLIAM S. FERRIS
发明人
WILLIAM S. FERRIS
分类号
主分类号
代理机构
代理人
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地址
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