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发明名称
Improved method of making porous metallic filter material
摘要
申请公布号
GB710838(A)
申请公布日期
1954.06.16
申请号
GB19520025383
申请日期
1952.10.10
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
B22F3/11
主分类号
B22F3/11
代理机构
代理人
主权项
地址
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