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公开(公告)号:US3529471A
公开(公告)日:1970-09-22
申请号:US3529471D
申请日:1967-12-05
Applicant: LAYCOCK ENG LTD
Inventor: LIGHTOWLER LESLIE ERNEST , PAGDIN BRIAN COLIN
公开(公告)号:US3529471A
公开(公告)日:1970-09-22
申请号:US3529471D
申请日:1967-12-05
Applicant: LAYCOCK ENG LTD
Inventor: LIGHTOWLER LESLIE ERNEST , PAGDIN BRIAN COLIN