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发明名称
Automatic grocery cart
摘要
申请公布号
US3324973(A)
申请公布日期
1967.06.13
申请号
US19660538294
申请日期
1966.03.29
申请人
GRACE MARTIN J
发明人
GRACE MARTIN J.
分类号
A47F9/04;B66C7/00
主分类号
A47F9/04
代理机构
代理人
主权项
地址
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