Niveau de précision à bulle d'air,申请号FRD1053926-传众专利搜索

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发明名称	Niveau de précision à bulle d'air
摘要
申请公布号	FR1053926(A)	申请公布日期	1954.02.05
申请号	FRD1053926	申请日期	1951.08.13
申请人		发明人	DUCOURRET PAUL-MARCEL
分类号	G01C9/34	主分类号	G01C9/34
代理机构		代理人
主权项
地址

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