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公开(公告)号：US2554634A
公开(公告)日：1951-05-29
申请号：US79203247
申请日：1947-12-16
Applicant: GLENN L MARTIN CO
Inventor： PAINE JOSEPH P , ZAHNOW ORLEN C
IPC: G01P5/165
CPC classification number: G01P5/165 , Y10T403/25 , Y10T403/32041
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