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发明名称
Volute spring structure for lateral motion trucks
摘要
申请公布号
US1916317(A)
申请公布日期
1933.07.04
申请号
US19300492046
申请日期
1930.10.29
申请人
HOLLAND CYRUS J
发明人
HOLLAND CYRUS J.
分类号
B61F5/20
主分类号
B61F5/20
代理机构
代理人
主权项
地址
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