Clamps with pre-stressed and pre-set flexible grab arms,申请号US19520328301-传众专利搜索

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发明名称	Clamps with pre-stressed and pre-set flexible grab arms
摘要
申请公布号	US2739009(A)	申请公布日期	1956.03.20
申请号	US19520328301	申请日期	1952.12.29
申请人	SHELL DEVELOPMENT COMPANY	发明人	PHILLIPS CLIFTON H.
分类号	B66F9/18	主分类号	B66F9/18
代理机构		代理人
主权项
地址

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