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公开(公告)号：US3396844A
公开(公告)日：1968-08-13
申请号：US36892564
申请日：1964-05-20
Applicant: AJEM LAB INC
Inventor： MILLHISER ROBERT G , WOOL JR WARREN W
IPC: B03B5/34
CPC classification number: B03B5/34
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