Automatic door boring machine,申请号US19650416302-传众专利搜索

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发明名称	Automatic door boring machine
摘要
申请公布号	US3319672(A)	申请公布日期	1967.05.16
申请号	US19650416302	申请日期	1965.12.07
申请人	PHELPS WILLIAM C	发明人	PHELPS WILLIAM C.
分类号	B27F5/12	主分类号	B27F5/12
代理机构		代理人
主权项
地址

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