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发明名称
RECORD HOLDER
摘要
申请公布号
CA552167(A)
申请公布日期
1958.01.28
申请号
CAD552167
申请日期
申请人
THORWALD G. G. THOWEMAN
发明人
THORWALD G. G. THOWEMAN
分类号
主分类号
代理机构
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