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公开(公告)号：US1491786A
公开(公告)日：1924-04-29
申请号：US53475222
申请日：1922-02-07
Applicant: CHATWOOD SAFE COMPANY LTD
Inventor： STANLEY BRUCKSHAW HERBERT , HARVEY CLAYTON
IPC: E05G1/08
CPC classification number: E05G1/08
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