Recoiling closure for shelters against heavy explosions,申请号GB19500009042-传众专利搜索

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发明名称	Recoiling closure for shelters against heavy explosions
摘要
申请公布号	GB672415(A)	申请公布日期	1952.05.21
申请号	GB19500009042	申请日期	1950.04.12
申请人	JACQUES MESNAGER	发明人
分类号	E04H9/12	主分类号	E04H9/12
代理机构		代理人
主权项
地址

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