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发明名称
CRANE
摘要
申请公布号
CA454862(A)
申请公布日期
1949.03.01
申请号
CAD454862
申请日期
申请人
R. G. LETOURNEAU
发明人
ROBERT GILMORE LETOURNEAU
分类号
主分类号
代理机构
代理人
主权项
地址
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