Improvements in or relating to loose ball valve assemblies,申请号GB19370004509-传众专利搜索

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发明名称	Improvements in or relating to loose ball valve assemblies
摘要
申请公布号	GB472376(A)	申请公布日期	1937.09.22
申请号	GB19370004509	申请日期	1937.02.15
申请人	JOHANNES ALBERTUS VINCENTIUS MARIA HILLEN	发明人
分类号	F16K1/14	主分类号	F16K1/14
代理机构		代理人
主权项
地址

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