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经营范围
发明名称
Procédé de fabrication de métaux durs frittés
摘要
申请公布号
FR780081(A)
申请公布日期
1935.04.18
申请号
FRD780081
申请日期
1934.10.22
申请人
发明人
BOECKER GUSTAV
分类号
C22C1/05
主分类号
C22C1/05
代理机构
代理人
主权项
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