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公开(公告)号:US628274A
公开(公告)日:1899-07-04
申请号:US1896592589
申请日:1896-05-22
Applicant: MARVEL THEODORE L
Inventor: MARVEL THEODORE L
CPC classification number: B65G2201/04
公开(公告)号:US628274A
公开(公告)日:1899-07-04
申请号:US1896592589
申请日:1896-05-22
Applicant: MARVEL THEODORE L
Inventor: MARVEL THEODORE L
CPC classification number: B65G2201/04