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经营范围
发明名称
Individual springing
摘要
申请公布号
US2188952(A)
申请公布日期
1940.02.06
申请号
US19380184961
申请日期
1938.01.14
申请人
LEIGHTON JOHN W
发明人
LEIGHTON JOHN W.
分类号
B60G11/23
主分类号
B60G11/23
代理机构
代理人
主权项
地址
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