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经营范围
发明名称
Liquid spring
摘要
申请公布号
US2939697(A)
申请公布日期
1960.06.07
申请号
US19560560725
申请日期
1956.01.23
申请人
CLEVELAND PNEUMATIC INDUSTRIES INC.
发明人
HOGAN WALTER H.
分类号
F16F9/52
主分类号
F16F9/52
代理机构
代理人
主权项
地址
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