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经营范围
发明名称
Perfectionnements apportés aux bobines de filature ou analogues
摘要
申请公布号
FR850997(A)
申请公布日期
1939.12.30
申请号
FRD850997
申请日期
1939.02.28
申请人
发明人
HEGEDU:S
分类号
B65H75/10
主分类号
B65H75/10
代理机构
代理人
主权项
地址
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