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发明名称
Duplicating machine
摘要
申请公布号
US1764261(A)
申请公布日期
1930.06.17
申请号
US19280294106
申请日期
1928.07.20
申请人
HEYER DUPLICATOR COMPANY, INC.
发明人
HELLMAN HERMAN F.
分类号
B41L13/04
主分类号
B41L13/04
代理机构
代理人
主权项
地址
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