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发明名称
Shock absorbing mechanism for typewriters
摘要
申请公布号
US1992940(A)
申请公布日期
1935.03.05
申请号
US19310570568
申请日期
1931.10.23
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
FOOTHORAP HARRY A.
分类号
B41J19/10
主分类号
B41J19/10
代理机构
代理人
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