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公开(公告)号：US3017046A
公开(公告)日：1962-01-16
申请号：US81226959
申请日：1959-05-11
Applicant: GEN MOTORS CORP
Inventor： RUNCI JOSEPH O , BERNOTAS RALPH J
CPC classification number: E02F3/3411 , E02F3/433 , E02F9/26 , Y10S37/906 , Y10S116/13
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