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发明名称
SCHOOL DESKS
摘要
申请公布号
CA493959(A)
申请公布日期
1953.06.30
申请号
CAD493959
申请日期
申请人
PHILIP F. DOUGLAS
发明人
PHILIP F. DOUGLAS
分类号
主分类号
代理机构
代理人
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地址
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