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公开(公告)号：US1022800A
公开(公告)日：1912-04-09
申请号：US1912673828
申请日：1912-01-27
Applicant: M B SCHENCK COMPANY
Inventor： SCHENCK MARTIN B , SCHENCK WILLIAM A
CPC classification number: B60B33/0002 , Y10T16/202
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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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