Method and apparatus for forming piles,申请号US19310540681-传众专利搜索

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发明名称	Method and apparatus for forming piles
摘要
申请公布号	US1856604(A)	申请公布日期	1932.05.03
申请号	US19310540681	申请日期	1931.05.28
申请人	RAYMOND CONCRETE PILE COMPANY	发明人	UPSON MAXWELL M.
分类号	E02D5/38;E02D5/62	主分类号	E02D5/38
代理机构		代理人
主权项
地址

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