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发明名称
VACUUM-TYPE STREET CLEANER
摘要
申请公布号
CA693593(A)
申请公布日期
1964.09.01
申请号
CAD693593
申请日期
申请人
CENTRAL ENGINEERING COMPANY
发明人
BEN DANEMAN
分类号
主分类号
代理机构
代理人
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