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经营范围
发明名称
éclipseur
摘要
申请公布号
FR819452(A)
申请公布日期
1937.10.19
申请号
FRD819452
申请日期
1937.03.20
申请人
ETABLISSEMENTS METTETAL
发明人
分类号
G08B5/02
主分类号
G08B5/02
代理机构
代理人
主权项
地址
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