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经营范围
发明名称
Sanitary paper and rubbish picker
摘要
申请公布号
US2228690(A)
申请公布日期
1941.01.14
申请号
US19390291090
申请日期
1939.08.19
申请人
CRARY PALMER H
发明人
CRARY PALMER H.
分类号
E01H1/12
主分类号
E01H1/12
代理机构
代理人
主权项
地址
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