Способ пропитки бумажных шпуль серой,申请号SU19490390800-传众专利搜索

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发明名称	Способ пропитки бумажных шпуль серой
摘要
申请公布号	SU78836(A1)	申请公布日期	1949.11.30
申请号	SU19490390800	申请日期	1949.01.29
申请人	VENCHUNAS L.V.	发明人	VENCHUNAS L.V.
分类号	D21G9/00;B05C3/02	主分类号	D21G9/00
代理机构		代理人
主权项
地址

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