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公开(公告)号:US739093A
公开(公告)日:1903-09-15
申请号:US1903163278
申请日:1903-06-26
Applicant: LEMMON JOHN M
Inventor: LEMMON JOHN M
CPC classification number: D06F21/06
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公开(公告)号:US697502A
公开(公告)日:1902-04-15
申请号:US1901070461
申请日:1901-08-01
Applicant: LEMMON JOHN M
Inventor: LEMMON JOHN M
CPC classification number: B65G2201/04
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