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公开(公告)号：CA228402A
公开(公告)日：1923-01-30
申请号：CA228402D
Applicant: INTERNAT BEAD WIRE COMPANY
Inventor： PRATT ALPHONSE COMSTOCK
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公开(公告)号：CA228403A
公开(公告)日：1923-01-30
申请号：CA228403D
Applicant: INTERNAT BEAD WIRE COMPANY
Inventor： PRATT ALPHONSE COMSTOCK
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