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公开(公告)号:US3293678A
公开(公告)日:1966-12-27
申请号:US40487664
申请日:1964-10-19
Applicant: SOUTH HOWARD D
Inventor: SOUTH HOWARD D
IPC: A47L1/05
CPC classification number: A47L1/05
公开(公告)号:US3293678A
公开(公告)日:1966-12-27
申请号:US40487664
申请日:1964-10-19
Applicant: SOUTH HOWARD D
Inventor: SOUTH HOWARD D
IPC: A47L1/05
CPC classification number: A47L1/05