Gas mask and helmet,申请号US19390279112-传众专利搜索

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发明名称	Gas mask and helmet
摘要
申请公布号	US2222635(A)	申请公布日期	1940.11.26
申请号	US19390279112	申请日期	1939.06.14
申请人	KENNETH SMITH	发明人	SMITH KENNETH
分类号	A62B18/04	主分类号	A62B18/04
代理机构		代理人
主权项
地址

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