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经营范围
发明名称
Perfectionnements aux blocs pour correspondance
摘要
申请公布号
FR56756(E)
申请公布日期
1952.10.06
申请号
FRD56756
申请日期
1947.04.14
申请人
发明人
SPIRE ETIENNE
分类号
B41L1/24;B42D5/00
主分类号
B41L1/24
代理机构
代理人
主权项
地址
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