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公开(公告)号：US783641A
公开(公告)日：1905-02-28
申请号：US1904219955
申请日：1904-08-08
Applicant: MCKINNEY PLEASANT M
Inventor： MCKINNEY PLEASANT M
CPC classification number: E05Y2201/416 , Y10S70/54 , Y10S70/64
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