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发明名称
摘要
申请公布号
FR1548448(A)
申请公布日期
1968.12.06
申请号
FRD1548448
申请日期
1967.09.18
申请人
发明人
分类号
B21D43/05;B30B15/14;F16H3/72
主分类号
B21D43/05
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代理人
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