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发明名称
Rug shampooing machine
摘要
申请公布号
US1949659(A)
申请公布日期
1934.03.06
申请号
US19320612228
申请日期
1932.05.19
申请人
THOMPSON D. RITTER
发明人
RITTER WILLIAM B.
分类号
A47L11/32;A47L13/22
主分类号
A47L11/32
代理机构
代理人
主权项
地址
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