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发明名称
Bobsled
摘要
申请公布号
US2470448(A)
申请公布日期
1949.05.17
申请号
US19460718011
申请日期
1946.12.23
申请人
RALPH WARRENDER
发明人
WARRENDER RALPH
分类号
B62B13/10
主分类号
B62B13/10
代理机构
代理人
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