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公开(公告)号：US2900720A
公开(公告)日：1959-08-25
申请号：US63082456
申请日：1956-12-27
Applicant: PHILIPS CORP
Inventor： GERRIT STARRE , EPPE BAKKER
CPC classification number: B26B19/145 , B26B19/14 , F16D3/38
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