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经营范围
发明名称
COMPOSITE ELEMENT HAVING A VARIABLE DENSITY CORE
摘要
申请公布号
US5087511(A)
申请公布日期
1992.02.11
申请号
US19900575763
申请日期
1990.08.31
申请人
GENERAL ELECTRIC COMPANY
发明人
LOCEY, BRYAN A.
分类号
B32B5/14;B32B5/18;B32B7/02;B32B18/00;B32B27/06
主分类号
B32B5/14
代理机构
代理人
主权项
地址
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