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发明名称
Coated phosphide and process for making
摘要
申请公布号
US1757713(A)
申请公布日期
1930.05.06
申请号
US19270208048
申请日期
1927.07.23
申请人
FELIX HEBLER
发明人
HEBLER FELIX
分类号
C01B25/00;C01B25/06
主分类号
C01B25/00
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代理人
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