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发明名称
Spring device
摘要
申请公布号
US1996512(A)
申请公布日期
1935.04.02
申请号
US19330664253
申请日期
1933.04.03
申请人
THOMAS CONWAY, JR.;CHARLES GORDON
发明人
HIRSHFELD CLARENCE F.
分类号
B60G11/22
主分类号
B60G11/22
代理机构
代理人
主权项
地址
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