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公开(公告)号：US2865197A
公开(公告)日：1958-12-23
申请号：US59212656
申请日：1956-06-18
Applicant: SHELL DEV
Inventor： PENTHER CARL J , GRIFFIN RAYMOND L , MILES THOMAS K , SIMPSON WARREN C
IPC: G01N11/00
CPC classification number: G01N11/00
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公开(公告)号：US2367384A
公开(公告)日：1945-01-16
申请号：US45934242
申请日：1942-09-22
Applicant: SHELL DEV
Inventor： SYBREN TYMSTRA , MILES THOMAS K
CPC classification number: C10G33/04 , B01D17/0202 , C02F1/681 , Y10S210/925
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