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经营范围
发明名称
Nouveau procédé de fabrication de chaînes sans soudure
摘要
申请公布号
FR752951(A)
申请公布日期
1933.10.04
申请号
FRD752951
申请日期
1932.07.12
申请人
发明人
BOULVAIN ABEL-HENRI
分类号
B21L5/00
主分类号
B21L5/00
代理机构
代理人
主权项
地址
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