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公开(公告)号：US2798563A
公开(公告)日：1957-07-09
申请号：US26967252
申请日：1952-02-02
Applicant: GEN MOTORS CORP
Inventor： MILLER DALE W , VIRGIL BATTENBERG
CPC classification number: B64C11/385 , F15B21/00
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公开(公告)号：US2883178A
公开(公告)日：1959-04-21
申请号：US41514254
申请日：1954-03-09
Applicant: GEN MOTORS CORP
Inventor： VIRGIL BATTENBERG , MILLER DALE W , DETAMORE HAROLD H , MOORE RICHARD E
CPC classification number: F15B13/04 , B64C11/303 , Y10T137/1135
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