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经营范围
发明名称
Mattress and process of manufacture
摘要
申请公布号
US1913081(A)
申请公布日期
1933.06.06
申请号
US19310531166
申请日期
1931.04.18
申请人
S. KARPEN & BROS.
发明人
KARPEN SOLOMON;KASPAR FRANK
分类号
A47C27/04;A47C27/05
主分类号
A47C27/04
代理机构
代理人
主权项
地址
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