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发明名称
Cleaning device
摘要
申请公布号
US1757777(A)
申请公布日期
1930.05.06
申请号
US19280266973
申请日期
1928.04.03
申请人
MARTIN PHILIP J
发明人
MARTIN PHILIP J.
分类号
B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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