Method of applying coupling devices,申请号US19390294986-传众专利搜索

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发明名称	Method of applying coupling devices
摘要
申请公布号	US2312579(A)	申请公布日期	1943.03.02
申请号	US19390294986	申请日期	1939.09.15
申请人	JOHN B. PIERCE FOUNDATION	发明人	O'BRIEN JOSEPH F.
分类号	F16L13/10	主分类号	F16L13/10
代理机构		代理人
主权项
地址

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