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公开(公告)号：US2527121A
公开(公告)日：1950-10-24
申请号：US5868348
申请日：1948-11-06
Applicant: STANDARD OIL DEV CO
Inventor： DUDENBOSTEL JR BERNARD F
IPC: G01N21/65
CPC classification number: G01N21/65 , Y10T436/212
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公开(公告)号：US2527122A
公开(公告)日：1950-10-24
申请号：US6091248
申请日：1948-11-19
Applicant: STANDARD OIL DEV CO
Inventor： HEIGL JOHN J , BLACK JAMES F , DUDENBOSTEL JR BERNARD F
IPC: G01N21/65
CPC classification number: G01N21/65 , Y10T436/212
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