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经营范围
发明名称
Self-locking differential
摘要
申请公布号
US2000223(A)
申请公布日期
1935.05.07
申请号
US19340734243
申请日期
1934.07.09
申请人
DU PRAS LOUIS
发明人
PRAS LOUIS DU
分类号
F16H48/28
主分类号
F16H48/28
代理机构
代理人
主权项
地址
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