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发明名称
HAND-HELD LITTER-COLLECTING DEVICE WITH COOPERATING FIXED AND ROTATED BRUSHES
摘要
申请公布号
US3618153(A)
申请公布日期
1971.11.09
申请号
USD3618153
申请日期
1969.11.13
申请人
JOHN H. COULT
发明人
JOHN H. COULT
分类号
A47L11/33;(IPC1-7):A47L11/00
主分类号
A47L11/33
代理机构
代理人
主权项
地址
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