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发明名称
Variable force hammer high speed printer
摘要
申请公布号
US3172353(A)
申请公布日期
1965.03.09
申请号
US19630288303
申请日期
1963.06.17
申请人
DATA PRODUCTS CORPORATION
发明人
HELMS CLIFFORD J.
分类号
B41J9/38;B41J9/48
主分类号
B41J9/38
代理机构
代理人
主权项
地址
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