Protected bearing pile,申请号US19380229178-传众专利搜索

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发明名称	Protected bearing pile
摘要
申请公布号	US2164108(A)	申请公布日期	1939.06.27
申请号	US19380229178	申请日期	1938.09.09
申请人	GREULICH GERALD G	发明人	GREULICH GERALD G.
分类号	E02D5/60	主分类号	E02D5/60
代理机构		代理人
主权项
地址

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