Способ получения копии с чертежей,申请号SU19300070663-传众专利搜索

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发明名称	Способ получения копии с чертежей
摘要
申请公布号	SU22614(A1)	申请公布日期	1931.08.31
申请号	SU19300070663	申请日期	1930.05.24
申请人	KHOKHRENKOV A.G.;KHOKHRENKOV I.A.	发明人	KHOKHRENKOV A.G.;KHOKHRENKOV I.A.
分类号	G03B27/04	主分类号	G03B27/04
代理机构		代理人
主权项
地址

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