Process of making insulating material,申请号US19270184175-传众专利搜索

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发明名称	Process of making insulating material
摘要
申请公布号	US1799255(A)	申请公布日期	1931.04.07
申请号	US19270184175	申请日期	1927.04.15
申请人	ARMSTRONG CORK COMPANY	发明人	RUSS ARTHUR J.
分类号	C04B41/50;C04B41/65	主分类号	C04B41/50
代理机构		代理人
主权项
地址

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