Composition of matter,申请号US19520269905-传众专利搜索

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发明名称	Composition of matter
摘要
申请公布号	US2640793(A)	申请公布日期	1953.06.02
申请号	US19520269905	申请日期	1952.02.04
申请人	MATHIESON CHEMICAL CORPORATION	发明人	DOERR RICHARD L.
分类号	B23K35/36	主分类号	B23K35/36
代理机构		代理人
主权项
地址

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