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1.发明专利
公开(公告)号：GB189321457A
公开(公告)日：1893-12-09
申请号：GB189321457D
申请日：1893-11-10
Applicant: SCHACKLEFORD JAMES HOWE , BROWN HARVEY EZRA
Inventor： SCHACKLEFORD JAMES HOWE , BROWN HARVEY EZRA
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