Fermeture pour abris de bombardement,申请号FRD1116073-传众专利搜索

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发明名称	Fermeture pour abris de bombardement
摘要
申请公布号	FR1116073(A)	申请公布日期	1956.05.03
申请号	FRD1116073	申请日期	1954.12.20
申请人		发明人	DRAGER OTTO HEINRICH
分类号	E06B5/12	主分类号	E06B5/12
代理机构		代理人
主权项
地址

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