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经营范围
发明名称
Carpet-cleaning machine
摘要
申请公布号
US1768887(A)
申请公布日期
1930.07.01
申请号
US19250012518
申请日期
1925.03.02
申请人
CHASE MACHINE COMPANY
发明人
CHASE STEPHEN;PFEIFFER BENJAMIN S.
分类号
D06G1/00
主分类号
D06G1/00
代理机构
代理人
主权项
地址
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