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发明名称
Towing device
摘要
申请公布号
US2533972(A)
申请公布日期
1950.12.12
申请号
US19460689708
申请日期
1946.08.10
申请人
SYMONDS RALPH F;MAGNUS MAGNUSSON
发明人
SYMONDS RALPH F.;MAGNUSSON MAGNUS
分类号
A01K73/04;B63B35/16
主分类号
A01K73/04
代理机构
代理人
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地址
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