Improvements in or relating to telephone receivers,申请号GB19360025217-传众专利搜索

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发明名称	Improvements in or relating to telephone receivers
摘要
申请公布号	GB481740(A)	申请公布日期	1938.03.16
申请号	GB19360025217	申请日期	1936.09.16
申请人	STANDARD TELEPHONES AND CABLES LIMITED;LYNDALL CROSSTHWAITE POCOCK;JAMES SAMUEL PATERSON ROBERTON	发明人
分类号	H04R1/22	主分类号	H04R1/22
代理机构		代理人
主权项
地址

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