Relating to refractory brick,申请号GB19570033698-传众专利搜索

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发明名称	Relating to refractory brick
摘要
申请公布号	GB819777(A)	申请公布日期	1959.09.09
申请号	GB19570033698	申请日期	1957.10.29
申请人	BETHLEHEM STEEL COMPANY	发明人
分类号	C04B35/14	主分类号	C04B35/14
代理机构		代理人
主权项
地址

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