Spool or bobbin for roll films,申请号US19330676176-传众专利搜索

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法人/股东/高管

发明名称	Spool or bobbin for roll films
摘要
申请公布号	US1979412(A)	申请公布日期	1934.11.06
申请号	US19330676176	申请日期	1933.06.16
申请人	PHILIPP SCHWARZ	发明人	SCHWARZ PHILIPP
分类号	G03B17/30	主分类号	G03B17/30
代理机构		代理人
主权项
地址

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