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公开(公告)号：US1374276A
公开(公告)日：1921-04-12
申请号：US44433221
申请日：1921-02-12
Applicant: F H SADLER COMPANY
Inventor： BOTTOMLEY ARTHUR L
IPC: A41B3/08
CPC classification number: A41B3/08 , Y10T24/44932
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