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发明名称
Self-steering toy auto
摘要
申请公布号
US2784527(A)
申请公布日期
1957.03.12
申请号
US19540436088
申请日期
1954.06.11
申请人
SARFF WARREN M
发明人
SARFF WARREN M.
分类号
A63H17/36
主分类号
A63H17/36
代理机构
代理人
主权项
地址
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