Thermo nonconducting packing material,申请号US19310556026-传众专利搜索

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发明名称	Thermo nonconducting packing material
摘要
申请公布号	US2068019(A)	申请公布日期	1937.01.19
申请号	US19310556026	申请日期	1931.08.08
申请人	THE RIC-WIL COMPANY	发明人	GOTTWALD CHRISTIAN
分类号	C04B41/46	主分类号	C04B41/46
代理机构		代理人
主权项
地址

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