Coupling organization for rods and like elements,申请号US19330671086-传众专利搜索

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发明名称	Coupling organization for rods and like elements
摘要
申请公布号	US1988668(A)	申请公布日期	1935.01.22
申请号	US19330671086	申请日期	1933.05.15
申请人	SNYDER HARRY A	发明人	SNYDER HARRY A.
分类号	E21B17/046	主分类号	E21B17/046
代理机构		代理人
主权项
地址

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