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发明名称
Improved sintered hard alloys
摘要
申请公布号
GB405137(A)
申请公布日期
1934.02.01
申请号
GB19330009734
申请日期
1933.03.31
申请人
HERAEUS VACUUMSCHMELZE AKTIENGESELLSCHAFT
发明人
分类号
C22C29/06
主分类号
C22C29/06
代理机构
代理人
主权项
地址
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