Dry ice manufacture,申请号US19490102270-传众专利搜索

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发明名称	Dry ice manufacture
摘要
申请公布号	US2570074(A)	申请公布日期	1951.10.02
申请号	US19490102270	申请日期	1949.06.30
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	RUPP WALTER H.
分类号	C01B31/22	主分类号	C01B31/22
代理机构		代理人
主权项
地址

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