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公开(公告)号：US2124864A
公开(公告)日：1938-07-26
申请号：US10727336
申请日：1936-10-23
Applicant: WELLER FRANK E
Inventor： WELLER FRANK E
IPC: D07B7/02
CPC classification number: D07B7/025 , D07B2201/2021
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