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发明名称
摘要
申请公布号
FR2317146(B1)
申请公布日期
1982.01.08
申请号
FR19750021943
申请日期
1975.07.11
申请人
SINGER HANS
发明人
分类号
B61B11/00;(IPC1-7):B61H9/02;F16D57/02
主分类号
B61B11/00
代理机构
代理人
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