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公开(公告)号：US3434147A
公开(公告)日：1969-03-18
申请号：US3434147D
申请日：1966-08-08
Applicant: SOUTH AFRICAN INVENTIONS
Inventor： CABION PAUL J , FEJER JULES A
CPC classification number: G01S7/034 , H01P1/161 , H01Q13/0258
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