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发明名称
Dipper door brake assembly
摘要
申请公布号
US2840253(A)
申请公布日期
1958.06.24
申请号
US19560579492
申请日期
1956.04.20
申请人
THOMPSON JAMES C
发明人
THOMPSON JAMES C.
分类号
E02F3/407
主分类号
E02F3/407
代理机构
代理人
主权项
地址
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