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发明名称
Extendible top structure for tables
摘要
申请公布号
US1969190(A)
申请公布日期
1934.08.07
申请号
US19330688034
申请日期
1933.09.02
申请人
WAGNER JOHN J;MOWREY PAUL L
发明人
WAGNER JOHN J.;MOWREY PAUL L.
分类号
A47B1/05
主分类号
A47B1/05
代理机构
代理人
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