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发明名称
Method of making tungsten-carbide alloys
摘要
申请公布号
US1792943(A)
申请公布日期
1931.02.17
申请号
US19280328059
申请日期
1928.12.22
申请人
TERRY JOSEPH T
发明人
TERRY JOSEPH T.
分类号
C22C1/10
主分类号
C22C1/10
代理机构
代理人
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地址
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