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经营范围
发明名称
Perfectionnements aux trémies
摘要
申请公布号
FR760233(A)
申请公布日期
1934.02.19
申请号
FRD760233
申请日期
1933.09.01
申请人
AMERICAN ENGINEERING COMPANY
发明人
分类号
F23J1/00
主分类号
F23J1/00
代理机构
代理人
主权项
地址
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