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发明名称
Leaf spring car truck
摘要
申请公布号
US2097083(A)
申请公布日期
1937.10.26
申请号
US19320587036
申请日期
1932.01.16
申请人
NATIONAL MALLEABLE & STEEL CASTINGS CO.
发明人
SHAFER JAMES A.
分类号
B61F5/06
主分类号
B61F5/06
代理机构
代理人
主权项
地址
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