Method of tapping,申请号US19430514521-传众专利搜索

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法人/股东/高管

发明名称	Method of tapping
摘要
申请公布号	US2388779(A)	申请公布日期	1945.11.13
申请号	US19430514521	申请日期	1943.12.16
申请人		发明人
分类号	B23G1/16;B23G7/00	主分类号	B23G1/16
代理机构		代理人
主权项
地址

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