Lower tumbler bearing seal for submersible bucket dredges,申请号US19360058802-传众专利搜索

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发明名称	Lower tumbler bearing seal for submersible bucket dredges
摘要
申请公布号	US2127493(A)	申请公布日期	1938.08.23
申请号	US19360058802	申请日期	1936.01.13
申请人	COLUMBIA STEEL CASTING COMPANY	发明人	TAMERLANE REX L.
分类号	E02F3/14	主分类号	E02F3/14
代理机构		代理人
主权项
地址

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