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发明名称
Soap cake
摘要
申请公布号
US2271959(A)
申请公布日期
1942.02.03
申请号
US19410398270
申请日期
1941.06.16
申请人
SWANSON CARL O
发明人
SWANSON CARL O.
分类号
C11D17/04
主分类号
C11D17/04
代理机构
代理人
主权项
地址
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