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公开(公告)号:US3159548A
公开(公告)日:1964-12-01
申请号:US53663855
申请日:1955-09-26
Applicant: STICHTING FUND OND MATERIAL
Inventor: WENT JAN J
IPC: G21C1/26
CPC classification number: G21C1/26 , G21Y2002/20 , G21Y2004/30 , G21Y2004/40 , Y02E30/40
公开(公告)号:US3159548A
公开(公告)日:1964-12-01
申请号:US53663855
申请日:1955-09-26
Applicant: STICHTING FUND OND MATERIAL
Inventor: WENT JAN J
IPC: G21C1/26
CPC classification number: G21C1/26 , G21Y2002/20 , G21Y2004/30 , G21Y2004/40 , Y02E30/40