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公开(公告)号：US2444422A
公开(公告)日：1948-07-06
申请号：US45758242
申请日：1942-09-07
Applicant: SPECIALTIES DEV CORP
Inventor： BRADFORD VICTOR H
IPC: C23C28/00
CPC classification number: C23C28/00 , Y10S428/941 , Y10T428/12757
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