Способ придания металлическому листу определенной кривизны или сохранения его первоначальной плоской или изогнутой формы в процессе выдавливания в нем нескольких лунок,申请号SU19470353656-传众专利搜索

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发明名称	Способ придания металлическому листу определенной кривизны или сохранения его первоначальной плоской или изогнутой формы в процессе выдавливания в нем нескольких лунок
摘要
申请公布号	SU75071(A1)	申请公布日期	1948.11.30
申请号	SU19470353656	申请日期	1947.08.25
申请人	POBEDIN I.S.	发明人	POBEDIN I.S.
分类号	B21D24/04;B21D22/04	主分类号	B21D24/04
代理机构		代理人
主权项
地址

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