Noyau dilatable pour le moulage d'éléments de construction creux en béton ou matière similaire,申请号FRD1080815-传众专利搜索

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发明名称	Noyau dilatable pour le moulage d'éléments de construction creux en béton ou matière similaire
摘要
申请公布号	FR1080815(A)	申请公布日期	1954.12.14
申请号	FRD1080815	申请日期	1953.05.21
申请人		发明人	EVANS WALLACE ALFRED
分类号	B28B7/30	主分类号	B28B7/30
代理机构		代理人
主权项
地址

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