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公开(公告)号：US3426980A
公开(公告)日：1969-02-11
申请号：US3426980D
申请日：1966-01-05
Applicant: GEN ELECTRIC
Inventor： CAGGIANO GERARD J , WELLS ROBERT C
CPC classification number: B64G1/38 , B64G1/281 , B64G1/363 , B64G2700/00 , Y10T74/1257
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