Improvements in or relating to serving hatches for use in the construction of buildings,申请号GB19440005446-传众专利搜索

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发明名称	Improvements in or relating to serving hatches for use in the construction of buildings
摘要
申请公布号	GB576183(A)	申请公布日期	1946.03.22
申请号	GB19440005446	申请日期	1944.03.23
申请人	LESLIE MARK BELLAMY;RICHARD HASELL SHEEPSHANKS	发明人
分类号	A47J39/02;E06B7/32	主分类号	A47J39/02
代理机构		代理人
主权项
地址

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