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发明名称
Alliage d'acier au chrome résistant à la chaleur et procédé servant à le préparer
摘要
申请公布号
FR844650(A)
申请公布日期
1939.07.28
申请号
FRD844650
申请日期
1938.10.12
申请人
发明人
WESTBERG SIGURD
分类号
C21C5/00;C21C7/00
主分类号
C21C5/00
代理机构
代理人
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地址
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