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公开(公告)号：US2135690A
公开(公告)日：1938-11-08
申请号：US16385037
申请日：1937-09-14
Applicant: GEN ELECTRIC
Inventor： ADDINK NICOLAAS W H , DE BOER JAN HENDRIK , ALPHEN PIETER MARTINUS V , GUSTAV ZECHER
IPC: C09K11/02
CPC classification number: C09K11/025
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