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发明名称
Draft gear
摘要
申请公布号
US2402146(A)
申请公布日期
1946.06.18
申请号
US19430479359
申请日期
1943.03.16
申请人
CARDWELL JAMES R
发明人
CARDWELL JAMES R.
分类号
B61G9/04;B61G9/06;B61G9/10
主分类号
B61G9/04
代理机构
代理人
主权项
地址
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