Shredder head for sewer cleaners,申请号US19380224926-传众专利搜索

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发明名称	Shredder head for sewer cleaners
摘要
申请公布号	US2292713(A)	申请公布日期	1942.08.11
申请号	US19380224926	申请日期	1938.08.15
申请人	O'LEARY ANDREW A	发明人	O'LEARY ANDREW A.
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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