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发明名称
METHOD AND APPARATUS FOR LOADING OR UNLOADING VEHICLE CARRYING RAILWAY CARS
摘要
申请公布号
US3448693(A)
申请公布日期
1969.06.10
申请号
USD3448693
申请日期
1968.04.25
申请人
JOSEPH E. GRAHAM
发明人
JOSEPH E. GRAHAM
分类号
B61J1/10;(IPC1-7):B61J1/10;B60S13/02
主分类号
B61J1/10
代理机构
代理人
主权项
地址
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