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经营范围
发明名称
Perfectionnements aux dispositifs de torsion des fils textiles
摘要
申请公布号
FR725878(A)
申请公布日期
1932.05.19
申请号
FRD725878
申请日期
1931.11.07
申请人
发明人
DREYFUS HENRY
分类号
D01H7/86
主分类号
D01H7/86
代理机构
代理人
主权项
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