Method of and apparatus for leveling work,申请号US19280272885-传众专利搜索

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发明名称	Method of and apparatus for leveling work
摘要
申请公布号	US1766323(A)	申请公布日期	1930.06.24
申请号	US19280272885	申请日期	1928.04.26
申请人	BENNETT RAYMOND F	发明人	BENNETT RAYMOND F.
分类号	B23D45/00;B23Q9/00;B27B9/02	主分类号	B23D45/00
代理机构		代理人
主权项
地址

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