Improvements in the construction of floors,申请号GB19350014468-传众专利搜索

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发明名称	Improvements in the construction of floors
摘要
申请公布号	GB456772(A)	申请公布日期	1936.11.16
申请号	GB19350014468	申请日期	1935.05.17
申请人	DOUGLAS JACK WAYTH CULLUM	发明人
分类号	E04F15/20	主分类号	E04F15/20
代理机构		代理人
主权项
地址

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