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公开(公告)号：US1640490A
公开(公告)日：1927-08-30
申请号：US15756326
申请日：1926-12-28
Applicant: MATHEW DOVIDAITIS
Inventor： MATHEW DOVIDAITIS
IPC: A47G21/00
CPC classification number: A47G21/00
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公开(公告)号：US1831527A
公开(公告)日：1931-11-10
申请号：US36661929
申请日：1929-05-28
Applicant: MATHEW DOVIDAITIS
Inventor： MATHEW DOVIDAITIS
IPC: A01J11/06
CPC classification number: A01J11/06
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