Устройство для уплотнения крышки герметически закрываемых сосудов,申请号SU19470004473-传众专利搜索

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发明名称	Устройство для уплотнения крышки герметически закрываемых сосудов
摘要
申请公布号	SU70836(A1)	申请公布日期	1947.11.30
申请号	SU19470004473	申请日期	1947.01.28
申请人	BOCHKOV A.D.	发明人	BOCHKOV A.D.
分类号	F16J15/14;F16K49/00	主分类号	F16J15/14
代理机构		代理人
主权项
地址

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