Paper-maker's wet felt,申请号US19550546195-传众专利搜索

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法人/股东/高管

发明名称	Paper-maker's wet felt
摘要
申请公布号	US2883734(A)	申请公布日期	1959.04.28
申请号	US19550546195	申请日期	1955.11.10
申请人	DRAPER BROTHERS COMPANY	发明人	JR. JOHN H. DRAPER,
分类号	D21F1/12;D21F7/10	主分类号	D21F1/12
代理机构		代理人
主权项
地址

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