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公开(公告)号：US1297882A
公开(公告)日：1919-03-18
申请号：US18730317
申请日：1917-08-20
Applicant: MCCORMACK WILLIAM D
Inventor： MCCORMACK WILLIAM D
CPC classification number: B64C7/00
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公开(公告)号：US1042941A
公开(公告)日：1912-10-29
申请号：US1042941D
Applicant: MCCORMACK WILLIAM D
Inventor： MCCORMACK WILLIAM D
CPC classification number: B60C7/12 , Y10T152/10468
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