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公开(公告)号:US2997412A
公开(公告)日:1961-08-22
申请号:US64189957
申请日:1957-02-25
Applicant: INSTR DEV LAB INC
Inventor: PETER BETTS , LORD JOSEPH S
CPC classification number: H03M1/00 , Y10S200/07 , Y10T29/49011 , Y10T29/49865 , Y10T156/1064
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公开(公告)号:US3003976A
公开(公告)日:1961-10-10
申请号:US56260556
申请日:1956-01-31
Applicant: INSTR DEV LAB INC
Inventor: LORD JOSEPH S
CPC classification number: G01P15/121 , G01C19/38
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