Fire-resistant dust collecting compositions,申请号US19450624326-传众专利搜索

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发明名称	Fire-resistant dust collecting compositions
摘要
申请公布号	US2443766(A)	申请公布日期	1948.06.22
申请号	US19450624326	申请日期	1945.10.24
申请人	RESEARCH CORPORATION	发明人	HEDBERG CARL W. J.
分类号	B01D46/00;B03C3/53;C09D5/00	主分类号	B01D46/00
代理机构		代理人
主权项
地址

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