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公开(公告)号：US3230799A
公开(公告)日：1966-01-25
申请号：US31824163
申请日：1963-10-23
Applicant: DIAMOND POWER SPECIALITY
Inventor： MACIULAITIS VYTAUTAS K
IPC: B25B29/02
CPC classification number: B25B29/02
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