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公开(公告)号：US2330591A
公开(公告)日：1943-09-28
申请号：US40550741
申请日：1941-08-05
Applicant: KENDALL WILLIAM A
Inventor： KENDALL WILLIAM A
IPC: A47K1/08
CPC classification number: A47K1/08 , A47K2201/02
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