Gas mask construction,申请号US19350037660-传众专利搜索

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发明名称	Gas mask construction
摘要
申请公布号	US2061436(A)	申请公布日期	1936.11.17
申请号	US19350037660	申请日期	1935.08.24
申请人	O'LEARY THOMAS A	发明人	O'LEARY THOMAS A.
分类号	A62B18/08	主分类号	A62B18/08
代理机构		代理人
主权项
地址

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