Toboggan seal for sand cleaners,申请号US19400343257-传众专利搜索

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发明名称	Toboggan seal for sand cleaners
摘要
申请公布号	US2357957(A)	申请公布日期	1944.09.12
申请号	US19400343257	申请日期	1940.06.29
申请人	CHARLES E. FRASER	发明人	KAYSER NICHOLAS J.
分类号	B01D24/22	主分类号	B01D24/22
代理机构		代理人
主权项
地址

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