Improvements in or relating to buildings slabs,申请号GB19510029718-传众专利搜索

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发明名称	Improvements in or relating to buildings slabs
摘要
申请公布号	GB691456(A)	申请公布日期	1953.05.13
申请号	GB19510029718	申请日期	1951.12.19
申请人	HENDRIKUS NICOLAAS VAN SCHAIK	发明人
分类号	E04C2/18	主分类号	E04C2/18
代理机构		代理人
主权项
地址

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