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公开(公告)号：US1534738A
公开(公告)日：1925-04-21
申请号：US37027820
申请日：1920-03-31
Applicant: GEN MOTORS CORP
Inventor： ROE CHARLES H
CPC classification number: B05D3/0272 , B05D3/0406 , B05D3/0486
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