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发明名称
摘要
申请公布号
FR2137913(A1)
申请公布日期
1972.12.29
申请号
FR19720017351
申请日期
1972.05.09
申请人
BERTOLDI ATTILIO
发明人
分类号
D06C17/00;(IPC1-7):D06F19/00
主分类号
D06C17/00
代理机构
代理人
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