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公开(公告)号：US3474778A
公开(公告)日：1969-10-28
申请号：US3474778D
申请日：1967-06-05
Applicant: STATHAM INSTRUMENT INC
Inventor： YEN THOMAS TSINGTON
IPC: A61B5/0245 , A61B5/02 , H03F1/00
CPC classification number: A61B5/0245
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