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发明名称	File
摘要
申请公布号	US2058347(A)	申请公布日期	1936.10.20
申请号	US19350006228	申请日期	1935.02.12
申请人	MURPHY PIERCE J	发明人	MURPHY PIERCE J.
分类号	B23D71/00	主分类号	B23D71/00
代理机构		代理人
主权项
地址

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