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经营范围
发明名称
Cleaning and scouring material
摘要
申请公布号
US2016289(A)
申请公布日期
1935.10.08
申请号
US19280255195
申请日期
1928.02.17
申请人
ALRYC U. MCGILL
发明人
MCGILL HOMER TIPTON
分类号
C11D7/44
主分类号
C11D7/44
代理机构
代理人
主权项
地址
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