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公开(公告)号：US2716886A
公开(公告)日：1955-09-06
申请号：US45674354
申请日：1954-09-17
Applicant: NAT RES DEV
Inventor： STUART ROWE DAVID
IPC: G01N13/04
CPC classification number: G01N13/04
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2.发明授权Penetrating instruments such as hypodermic needles and their use in an imbibition pressure meter 失效渗透仪器如皮下注射针及其在吸入式压力计中的应用
公开(公告)号：US2840069A
公开(公告)日：1958-06-24
申请号：US53592755
申请日：1955-09-22
Applicant: NAT RES DEV
Inventor： RUPERT SQUIRE JOHN , STUART ROWE DAVID
IPC: A61B5/0215
CPC classification number: A61B5/0215
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