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发明名称
Titanium steel and the process of manufacturing the same
摘要
申请公布号
US1839157(A)
申请公布日期
1931.12.29
申请号
US19290331383
申请日期
1929.01.09
申请人
WALTHER MATHESIUS
发明人
MATHESIUS WALTHER
分类号
C22C38/14
主分类号
C22C38/14
代理机构
代理人
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地址
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