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发明名称
Filter element and method of making the same
摘要
申请公布号
US2297817(A)
申请公布日期
1942.10.06
申请号
US19390253596
申请日期
1939.01.30
申请人
GENERAL MOTORS CORPORATION
发明人
JR. CLYDE W. TRUXELL,;KOEHRING ROLAND P.;HILDABOLT JOHN M.
分类号
B01D39/20;B22F7/00
主分类号
B01D39/20
代理机构
代理人
主权项
地址
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