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发明名称	Press
摘要
申请公布号	US2173593(A)	申请公布日期	1939.09.19
申请号	US19380199507	申请日期	1938.04.01
申请人	CERAMIC PRODUCTS COMPANY	发明人	PHELPS STUART M.
分类号	B28B7/46	主分类号	B28B7/46
代理机构		代理人
主权项
地址

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