Sewer cleaner cutter head,申请号US19390260683-传众专利搜索

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发明名称	Sewer cleaner cutter head
摘要
申请公布号	US2288771(A)	申请公布日期	1942.07.07
申请号	US19390260683	申请日期	1939.03.09
申请人	BABCOCK CLARENCE E	发明人	BABCOCK CLARENCE E.
分类号	E03F9/00	主分类号	E03F9/00
代理机构		代理人
主权项
地址

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