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发明名称
Method for the production of bodies of extreme hardness
摘要
申请公布号
US2089030(A)
申请公布日期
1937.08.03
申请号
US19340719259
申请日期
1934.04.06
申请人
ANTON KRATKY
发明人
KRATKY ANTON
分类号
B22F3/17;B28B3/02
主分类号
B22F3/17
代理机构
代理人
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