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发明名称
SUCTION CLEANER NOZZLE CONSTRUCTION
摘要
申请公布号
US3437424(A)
申请公布日期
1969.04.08
申请号
USD3437424
申请日期
1965.11.26
申请人
ROYAL APPLIANCE MFG. CO. INC.
发明人
STANLEY E. ERBOR
分类号
A47L5/28;A47L5/30;(IPC1-7):A61L9/02;A47L7/04
主分类号
A47L5/28
代理机构
代理人
主权项
地址
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