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发明名称
Perfectionnements aux ressorts
摘要
申请公布号
FR1248541(A)
申请公布日期
1960.11.07
申请号
FR19596939875
申请日期
1959.11.06
申请人
发明人
THIERRY ALPHONSE
分类号
B21F3/06;F16F1/02;F16F1/04
主分类号
B21F3/06
代理机构
代理人
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地址
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