Improvements in or relating to means for stiffening ceiling boards or the like,申请号GB19490022843-传众专利搜索

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发明名称	Improvements in or relating to means for stiffening ceiling boards or the like
摘要
申请公布号	GB675591(A)	申请公布日期	1952.07.16
申请号	GB19490022843	申请日期	1949.09.02
申请人	THE MERCHANT TRADING COMPANY LIMITED;HAROLD CHURCHMAN	发明人
分类号	E04B9/04	主分类号	E04B9/04
代理机构		代理人
主权项
地址

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