Automatic safety device for power lifts,申请号US19490093515-传众专利搜索

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发明名称	Automatic safety device for power lifts
摘要
申请公布号	US2629851(A)	申请公布日期	1953.02.24
申请号	US19490093515	申请日期	1949.05.16
申请人	GILBERT JR EARL C	发明人	JR. EARL C. GILBERT,
分类号	B66D1/58	主分类号	B66D1/58
代理机构		代理人
主权项
地址

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