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发明名称
Improvements in the production of sintered hard alloys
摘要
申请公布号
GB508662(A)
申请公布日期
1939.07.04
申请号
GB19390000732
申请日期
1939.01.09
申请人
TOOL METAL MANUFACTURING COMPANY LIMITED
发明人
分类号
C04B35/56
主分类号
C04B35/56
代理机构
代理人
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