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发明名称
RAILROAD SETOFF APPARATUS
摘要
申请公布号
US3443529(A)
申请公布日期
1969.05.13
申请号
USD3443529
申请日期
1967.06.07
申请人
KERSHAW MFG. CO. INC.
发明人
WILLIAM H. MOORHEAD JR.;HENRY W. COPELAND JR.
分类号
B61K5/04;(IPC1-7):B61C11/04;E01B27/00
主分类号
B61K5/04
代理机构
代理人
主权项
地址
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