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公开(公告)号：US1517598A
公开(公告)日：1924-12-02
申请号：US49778921
申请日：1921-09-01
Applicant: WILLIAM STEVENSON JOHN
Inventor： WILLIAM STEVENSON JOHN
CPC classification number: B05B7/10 , B05B1/3426 , Y10T137/87652
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