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发明名称
Hub
摘要
申请公布号
US2615764(A)
申请公布日期
1952.10.28
申请号
US19480038105
申请日期
1948.07.10
申请人
LEAKE JAMES M
发明人
LEAKE JAMES M.
分类号
F16H55/00
主分类号
F16H55/00
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代理人
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