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发明名称
摘要
申请公布号
FR2056704(A5)
申请公布日期
1971.05.14
申请号
FR19700029169
申请日期
1970.08.07
申请人
FERRANTI LTD
发明人
分类号
B41B17/06;B41B21/16;(IPC1-7):G03B21/00
主分类号
B41B17/06
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