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发明名称
Ski tow rope grip
摘要
申请公布号
US2582630(A)
申请公布日期
1952.01.15
申请号
US19480062949
申请日期
1948.12.01
申请人
HOFFMAN ROBERT F
发明人
HOFFMAN ROBERT F.
分类号
B61B12/12
主分类号
B61B12/12
代理机构
代理人
主权项
地址
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