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公开(公告)号：US2247266A
公开(公告)日：1941-06-24
申请号：US25103239
申请日：1939-01-14
Applicant: SHELL DEV
Inventor： PIETER WIBAUT JOHAN , JOHAN OVERHOFF
IPC: C11D1/62 , D06M13/355 , D06M13/477
CPC classification number: D06M13/355 , C11D1/62 , D06M13/477 , Y10S516/05
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