Fireproof door core of phenol formal-dehyde, wood chips and diammonium phosphate,申请号US19540441290-传众专利搜索

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发明名称	Fireproof door core of phenol formal-dehyde, wood chips and diammonium phosphate
摘要
申请公布号	US2859187(A)	申请公布日期	1958.11.04
申请号	US19540441290	申请日期	1954.07.06
申请人	RODDIS PLYWOOD CORPORATION	发明人	ROPELLA LEONARD A.
分类号	E06B5/16	主分类号	E06B5/16
代理机构		代理人
主权项
地址

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