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公开(公告)号:US635028A
公开(公告)日:1899-10-17
申请号:US1898699724
申请日:1898-12-19
Applicant: SPENCER WILLIAM BARTON
Inventor: SPENCER WILLIAM BARTON
CPC classification number: B62K2201/04
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公开(公告)号:US703492A
公开(公告)日:1902-07-01
申请号:US1899733388
申请日:1899-10-12
Applicant: SPENCER WILLIAM BARTON
Inventor: SPENCER WILLIAM BARTON
CPC classification number: B62K19/34
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公开(公告)号:US704138A
公开(公告)日:1902-07-08
申请号:US1900030495
申请日:1900-09-19
Applicant: SPENCER WILLIAM BARTON
Inventor: SPENCER WILLIAM BARTON
CPC classification number: B62K19/34
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