Sewer and pipe cleaner,申请号US19610086661-传众专利搜索

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发明名称	Sewer and pipe cleaner
摘要
申请公布号	US3064293(A)	申请公布日期	1962.11.20
申请号	US19610086661	申请日期	1961.02.02
申请人	BERRY WILLIAM S	发明人	BERRY WILLIAM S.
分类号	E03C1/302	主分类号	E03C1/302
代理机构		代理人
主权项
地址

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