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发明名称
PORTABLE ELECTRIC TYPEWRITERS
摘要
申请公布号
CA830294(A)
申请公布日期
1969.12.23
申请号
CAD830294
申请日期
申请人
WILLY FEILER ZAHL-UND RECHENWERKE G.M.B.H.
发明人
ANDREAS SALZBERGER;ROLF A. FREYBURG
分类号
主分类号
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