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公开(公告)号：US2071368A
公开(公告)日：1937-02-23
申请号：US5658435
申请日：1935-12-28
Applicant: SEALTEST SYSTEM LAB INC
Inventor： WEISBERG SAMUEL M , CHAPPELL FRANK L , STRINGER WILLIAM E , STODDARD STEVENS , TREBLER HENNING A
IPC: C07C59/08
CPC classification number: C07C59/08 , Y10S435/803
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