专利名称：HOSPITAL BEDS发明人：CROXTON J,GB申请号：US3733623D申请日：19711117公开号：US3733623A公开日：19730522
摘要：A hospital bed having a mattress supporting element which can be elevated orlowered relative to the bed chassis through the agency of a mechanical jack is
additionally provided with a hydraulic damper for controlling descent of the supportingelement.
申请人：NESTBIT EVANS & COMP LTD,GB
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