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发明名称
Envelope-feeding apparatus for typewriters
摘要
申请公布号
US1817235(A)
申请公布日期
1931.08.04
申请号
US19300439245
申请日期
1930.03.26
申请人
DANA H. EDES;HOWARD F. SAWYER
发明人
CHENERY HENRY L.
分类号
B41J13/12
主分类号
B41J13/12
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