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发明名称
SAFETY GRIP FOR STEEL PLATES
摘要
申请公布号
CA421467(A)
申请公布日期
1944.07.18
申请号
CAD421467
申请日期
申请人
WILLIAM H. BASS
发明人
WILLIAM H. BASS
分类号
主分类号
代理机构
代理人
主权项
地址
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