ANNULAR SUPPORT FOR RIGID PROTECTIVE HAT,申请号CAD507396-传众专利搜索

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法人/股东/高管

发明名称	ANNULAR SUPPORT FOR RIGID PROTECTIVE HAT
摘要
申请公布号	CA507396(A)	申请公布日期	1954.11.16
申请号	CAD507396	申请日期
申请人	MINE SAFETY APPLIANCES COMPANY	发明人	DANIEL A. GREEN;GEORGE H. DEIKE, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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