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经营范围
发明名称
Manufacture of mattresses
摘要
申请公布号
US2345675(A)
申请公布日期
1944.04.04
申请号
US19410422998
申请日期
1941.12.15
申请人
J. W. DROLL COMPANY
发明人
KIBITZ HAROLD
分类号
A47C27/045
主分类号
A47C27/045
代理机构
代理人
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