Spray bar for road oilers,申请号US19370180559-传众专利搜索

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发明名称	Spray bar for road oilers
摘要
申请公布号	US2256639(A)	申请公布日期	1941.09.23
申请号	US19370180559	申请日期	1937.12.18
申请人	ERICKSON HENRY R	发明人	ERICKSON HENRY R.
分类号	E01C19/17	主分类号	E01C19/17
代理机构		代理人
主权项
地址

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