Inside thread caliper,申请号US19460671159-传众专利搜索

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发明名称	Inside thread caliper
摘要
申请公布号	US2470254(A)	申请公布日期	1949.05.17
申请号	US19460671159	申请日期	1946.05.21
申请人	LEE JOHN D	发明人	LEE JOHN D.
分类号	G01B3/48	主分类号	G01B3/48
代理机构		代理人
主权项
地址

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