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发明名称
Dispositif pour dissimuler les têtes de vis
摘要
申请公布号
FR682815(A)
申请公布日期
1930.06.03
申请号
FRD682815
申请日期
1929.10.05
申请人
发明人
DOVER HORACE WALTER
分类号
A47G3/00
主分类号
A47G3/00
代理机构
代理人
主权项
地址
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