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发明名称
Actuating means for typewriters and other mechanisms
摘要
申请公布号
US2168886(A)
申请公布日期
1939.08.08
申请号
US19380226604
申请日期
1938.08.24
申请人
ROBERTS DANIEL A
发明人
ROBERTS DANIEL A.
分类号
B41J3/44
主分类号
B41J3/44
代理机构
代理人
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地址
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