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发明名称
Industrial contacting material
摘要
申请公布号
US2470652(A)
申请公布日期
1949.05.17
申请号
US19460713333
申请日期
1946.11.30
申请人
PAN AMERICAN REFINING CORPORATION
发明人
SCOFIELD RAYMOND C.
分类号
B01D3/00;B01F5/06;B01J19/32;F28F25/08
主分类号
B01D3/00
代理机构
代理人
主权项
地址
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