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公开(公告)号：US3459463A
公开(公告)日：1969-08-05
申请号：US3459463D
申请日：1967-08-29
Applicant: TENNEY ENG INC
Inventor： NACHT RONALD L
CPC classification number: G01M99/002 , B01L1/00 , E04B1/68 , G01M7/02
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