Brique creuse de plafond en argile cuite pour la construction de plafonds nervures en béton sans surbéton,申请号FRD693829-传众专利搜索

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发明名称	Brique creuse de plafond en argile cuite pour la construction de plafonds nervures en béton sans surbéton
摘要
申请公布号	FR693829(A)	申请公布日期	1930.11.25
申请号	FRD693829	申请日期	1930.04.12
申请人		发明人	SPERLE EUGEN
分类号	E04B5/19	主分类号	E04B5/19
代理机构		代理人
主权项
地址

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