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公开(公告)号：US1602556A
公开(公告)日：1926-10-12
申请号：US64656323
申请日：1923-06-20
Applicant: CHARLES O HARD
Inventor： SHROYER JACOB L
IPC: A47K1/02
CPC classification number: A47K1/02 , A47B2220/03 , E03C2201/90
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公开(公告)号：US1564796A
公开(公告)日：1925-12-08
申请号：US67564723
申请日：1923-11-19
Applicant: CHARLES O HARD
Inventor： SHROYER JACOB L
IPC: A47B67/00
CPC classification number: A47B67/005
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