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发明名称
RAILWAY CAR COUPLER SUPPORT
摘要
申请公布号
CA413086(A)
申请公布日期
1943.06.08
申请号
CAD413086
申请日期
申请人
NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
WILLIAM JOSEPH METZGER
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主分类号
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