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经营范围
发明名称
Laminated spring
摘要
申请公布号
US1852132(A)
申请公布日期
1932.04.05
申请号
US19280317063
申请日期
1928.11.03
申请人
HEINRICH SIEPRATH
发明人
SIEPRATH HEINRICH
分类号
F16F1/18
主分类号
F16F1/18
代理机构
代理人
主权项
地址
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