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公开(公告)号：US5192931B1
公开(公告)日：1999-09-28
申请号：US83573392
申请日：1992-02-11
Applicant: SLC TECHNOLOGIES INC
Inventor： SMITH RICHARD A , BERNHARDT CHRISTOPHER A
IPC: G08B13/04
CPC classification number: G08B13/04
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