Face mask for under-water breathing,申请号GB19550000568-传众专利搜索

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发明名称	Face mask for under-water breathing
摘要
申请公布号	GB764111(A)	申请公布日期	1956.12.19
申请号	GB19550000568	申请日期	1955.01.07
申请人	SVENSKA AKTIEBOLAGET GASACCUMU LATOR	发明人
分类号	B63C11/22	主分类号	B63C11/22
代理机构		代理人
主权项
地址

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