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公开(公告)号：US1232688A
公开(公告)日：1917-07-10
申请号：US13366916
申请日：1916-11-27
Applicant: M B SCHENCK COMPANY
Inventor： JOHNSON JOHN ADOLPH
CPC classification number: B60B33/0002 , Y10T16/197 , Y10T16/201 , Y10T16/211
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公开(公告)号：US968424A
公开(公告)日：1910-08-23
申请号：US1909520875
申请日：1909-10-04
Applicant: M B SCHENCK COMPANY
Inventor： SCHENCK MARTIN B , JOHNSON JOHN ADOLPH
CPC classification number: B60B33/0002 , Y10T16/202
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