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公开(公告)号:US1100431A
公开(公告)日:1914-06-16
申请号:US1914826117
申请日:1914-03-20
Applicant: HALL ALBERT HENRY
Inventor: HALL ALBERT HENRY
CPC classification number: B27L11/04
公开(公告)号:US1100431A
公开(公告)日:1914-06-16
申请号:US1914826117
申请日:1914-03-20
Applicant: HALL ALBERT HENRY
Inventor: HALL ALBERT HENRY
CPC classification number: B27L11/04