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公开(公告)号：US2167664A
公开(公告)日：1939-08-01
申请号：US14945937
申请日：1937-06-21
Applicant: MATTHEWS CALVIN M
Inventor： MATTHEWS CALVIN M
CPC classification number: B60J5/04 , E05D11/06 , E05D11/1057 , E05Y2201/212 , E05Y2201/264 , E05Y2800/41 , E05Y2900/531 , Y10T16/533
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