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发明名称	Preheater
摘要
申请公布号	US2356393(A)	申请公布日期	1944.08.22
申请号	US19410394805	申请日期	1941.05.23
申请人	FRICKEY ROYAL E	发明人	FRICKEY ROYAL E.
分类号	C21D9/04	主分类号	C21D9/04
代理机构		代理人
主权项
地址

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