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经营范围
发明名称
Insulating nontilting stool
摘要
申请公布号
US1786458(A)
申请公布日期
1930.12.30
申请号
US19290413185
申请日期
1929.12.11
申请人
SHIPMAN EMANUEL F
发明人
SHIPMAN EMANUEL F.
分类号
A47C9/02
主分类号
A47C9/02
代理机构
代理人
主权项
地址
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