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发明名称
Method of cleaning pans
摘要
申请公布号
US2253855(A)
申请公布日期
1941.08.26
申请号
US19390295852
申请日期
1939.09.21
申请人
HARBACK MABLE C
发明人
HARBACK MABLE C.
分类号
A47L17/04
主分类号
A47L17/04
代理机构
代理人
主权项
地址
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