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发明名称
Automatic car coupler
摘要
申请公布号
US1912862(A)
申请公布日期
1933.06.06
申请号
US19310520102
申请日期
1931.03.04
申请人
JAMES H. GIBSON;ROY H. NELSON
发明人
SIMMONS ERNEST WILLIAM
分类号
B61G1/40
主分类号
B61G1/40
代理机构
代理人
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