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公开(公告)号：US1669176A
公开(公告)日：1928-05-08
申请号：US17407327
申请日：1927-03-09
Applicant: ROBERTS JEROME B
Inventor： ROBERTS JEROME B
IPC: B60C7/10
CPC classification number: B60C7/102 , Y10T152/10009
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公开(公告)号：US1555255A
公开(公告)日：1925-09-29
申请号：US74995124
申请日：1924-11-14
Applicant: ROBERTS JEROME B
Inventor： ROBERTS JEROME B
IPC: A47G25/70
CPC classification number: A47G25/70
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