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发明名称
Air cleaner and filter
摘要
申请公布号
US1833622(A)
申请公布日期
1931.11.24
申请号
US19310511318
申请日期
1931.01.26
申请人
HARRY SMICK
发明人
SMICK HARRY
分类号
F02M35/026
主分类号
F02M35/026
代理机构
代理人
主权项
地址
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