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经营范围
发明名称
CARPET CLEANING MACHINE
摘要
申请公布号
CA415374(A)
申请公布日期
1943.09.21
申请号
CAD415374
申请日期
申请人
ROBERT M. SERGEANT
发明人
CARL E. ERICKSON
分类号
主分类号
代理机构
代理人
主权项
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