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经营范围
发明名称
TYPEWRITING MACHINE FEED MECHANISM
摘要
申请公布号
CA387390(A)
申请公布日期
1940.03.12
申请号
CAD387390
申请日期
申请人
BURT BUSINESS FORMS
发明人
CARL R. MABON
分类号
主分类号
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