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发明名称
Alliages de fer-chrome-aluminium résistant à la chaleur
摘要
申请公布号
FR770112(A)
申请公布日期
1934.09.08
申请号
FRD770112
申请日期
1934.03.13
申请人
HERAEUS-VACUUMSCHMELZE AKTIENGESELLSCHAFT
发明人
分类号
C22C38/18
主分类号
C22C38/18
代理机构
代理人
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