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公开(公告)号：US2679624A
公开(公告)日：1954-05-25
申请号：US28563852
申请日：1952-05-02
Applicant: GEN ELECTRIC
Inventor： WIDELL BERNDT A , OGDEN HAROLD S
CPC classification number: B60L9/14 , B60L9/30 , B60L2200/26
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