Improvements in or relating to building boards,申请号GB19670044675-传众专利搜索

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发明名称	Improvements in or relating to building boards
摘要
申请公布号	GB1143038(A)	申请公布日期	1969.02.19
申请号	GB19670044675	申请日期	1967.10.02
申请人	O. Y. GUTZEITIN LAATIKKOTEHDAS-A. B. GUTZEITS LADFABRIK	发明人
分类号	B27D1/04;E04C2/12	主分类号	B27D1/04
代理机构		代理人
主权项
地址

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