Dispositif pour mélange automatique d'oxygène et d'acide carbonique,申请号FRD747523-传众专利搜索

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发明名称	Dispositif pour mélange automatique d'oxygène et d'acide carbonique
摘要
申请公布号	FR747523(A)	申请公布日期	1933.06.19
申请号	FRD747523	申请日期	1932.12.14
申请人		发明人	SPENGLER EMILE
分类号	A61M16/12	主分类号	A61M16/12
代理机构		代理人
主权项
地址

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