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公开(公告)号:US3540625A
公开(公告)日:1970-11-17
申请号:US3540625D
申请日:1968-12-03
Applicant: DONALD M LAMBE
Inventor: LAMBE DONALD M
CPC classification number: E03C1/046 , A47L15/4418
公开(公告)号:US3540625A
公开(公告)日:1970-11-17
申请号:US3540625D
申请日:1968-12-03
Applicant: DONALD M LAMBE
Inventor: LAMBE DONALD M
CPC classification number: E03C1/046 , A47L15/4418