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经营范围
发明名称
Cleaning device
摘要
申请公布号
US2047231(A)
申请公布日期
1936.07.14
申请号
US19350022636
申请日期
1935.05.21
申请人
T. R. CREECH
发明人
SHANNON CHARLES R.
分类号
B60S1/38
主分类号
B60S1/38
代理机构
代理人
主权项
地址
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