Noyau destiné à être gonflé pour mouler des objets creux en béton.,申请号CHD207321-传众专利搜索

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发明名称	Noyau destiné à être gonflé pour mouler des objets creux en béton.
摘要
申请公布号	CH207321(A)	申请公布日期	1939.10.31
申请号	CHD207321	申请日期	1938.05.10
申请人	MATHEWS,CHARLES BERNARD;AMBROSE,JOHN GOLDWELL	发明人	BERNARD MATHEWS,CHARLES;GOLDWELL AMBROSE,JOHN
分类号	B28B7/32	主分类号	B28B7/32
代理机构		代理人
主权项
地址

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