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公开(公告)号:CA54794A
公开(公告)日:1897-02-01
申请号:CA54794D
申请日:1895-11-08
Applicant: STEWART WILLIAM W , SWIFT WILLIAM A
Inventor: STEWART WILLIAM W , SWIFT WILLIAM A
公开(公告)号:CA54794A
公开(公告)日:1897-02-01
申请号:CA54794D
申请日:1895-11-08
Applicant: STEWART WILLIAM W , SWIFT WILLIAM A
Inventor: STEWART WILLIAM W , SWIFT WILLIAM A