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公开(公告)号：US3368101A
公开(公告)日：1968-02-06
申请号：US37688264
申请日：1964-06-22
Applicant: CENTRE NAT RECH SCIENT
Inventor： LOUIS ROMAND JACQUES , BORIS VODAR , JEAN MARTIN
IPC: G01N21/67
CPC classification number: G01N21/67
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