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发明名称
Production of contact materials
摘要
申请公布号
US2484828(A)
申请公布日期
1949.10.18
申请号
US19460681603
申请日期
1946.07.05
申请人
GREAT LAKES CARBON CORPORATION
发明人
HICKEY JOHN H.
分类号
B01J21/16
主分类号
B01J21/16
代理机构
代理人
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地址
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