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公开(公告)号：US1546314A
公开(公告)日：1925-07-14
申请号：US72177024
申请日：1924-06-23
Applicant: JAMES PRINCE MARTIN
Inventor： JAMES PRINCE MARTIN
IPC: A47G33/12
CPC classification number: A47G33/12 , A47G2033/1266
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