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公开(公告)号:US3478789A
公开(公告)日:1969-11-18
申请号:US3478789D
申请日:1965-11-12
Applicant: BLACK CLAWSON CO
Inventor: PALMER ALBERT , LINDBERG VERNE L
CPC classification number: B27L5/008
公开(公告)号:US3478789A
公开(公告)日:1969-11-18
申请号:US3478789D
申请日:1965-11-12
Applicant: BLACK CLAWSON CO
Inventor: PALMER ALBERT , LINDBERG VERNE L
CPC classification number: B27L5/008