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公开(公告)号：US666971A
公开(公告)日：1901-01-29
申请号：US1900026964
申请日：1900-08-15
Applicant: NEVINS JOSEPH , WHITE JOHN E
Inventor： NEVINS JOSEPH , WHITE JOHN E
CPC classification number: A44B1/36 , Y10T24/3655
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