专利名称：JACK LOCK发明人：HERMAN D,US申请号：US39391173申请日：19730904公开号：US3831892A公开日：19740827
摘要：A very popular jack is made by a single manufacturer, but sold under threedifferent names, to-wit, \"Hi-Lift,\" \"Handyman\" and \"Lumberman.\" The present inventionprovides theft-obstructing means for securely and stably mounting and locking a jack ofthis type to the inner face of a side wall of a pickup tray, or to any other wall structure.
申请人：HERMAN D,US
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