Improvements in or relating to couplings for gas tubing,申请号GB19490022024-传众专利搜索

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发明名称	Improvements in or relating to couplings for gas tubing
摘要
申请公布号	GB677141(A)	申请公布日期	1952.08.13
申请号	GB19490022024	申请日期	1949.08.24
申请人	RICHARD ARTHUR WOLF	发明人
分类号	B60C23/00	主分类号	B60C23/00
代理机构		代理人
主权项
地址

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