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发明名称
Electrostatic reproducer
摘要
申请公布号
US1809754(A)
申请公布日期
1931.06.09
申请号
US19290362681
申请日期
1929.05.13
申请人
STEEDLE JOSEPH J
发明人
STEEDLE JOSEPH J.
分类号
H04R19/02
主分类号
H04R19/02
代理机构
代理人
主权项
地址
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